Universe Today podcasts with Fraser Cain

Universe Today podcasts with Fraser Cain

www.universetoday.com
Space and astronomy news from Fraser Cain, Publisher of Universe Today


628: Q&A 117: Why Am I So Negative About Aliens? And More… Featuring Dr. Jason Wright
Feb 13 • 27 min
In this week's questions show, I explain why I've got such a skeptical view about the search for aliens if there might be multiple great filters, and why NASA doesn't just go back and use Apollo hardware to return to the Moon? Follow Dr. Wright on…
627: We’ve Never Seen the Sun’s Poles. That’s About to Change With Solar Orbiter
Feb 13 • 9 min
On February 9, 2020, the European Space Agency’s Solar Orbiter spacecraft launched from Cape Canaveral Florida on top of an Atlas V 411 spacecraft. The spacecraft’s mission is to fly inside the orbit of Mercury, on a tilted orbit that takes it above and…
626: This is the Highest Resolution Image Ever Taken of the Sun
Feb 11 • 8 min
You’re looking at the highest resolution image that has ever been taken of our Sun, using the brand new Daniel K Inouye Solar Telescope in Maui. These lighter regions are convection cells, blobs of hot gas the size of Texas which have carried heat from…
625: Q&A 116: When Will the Cosmic Microwave Fade Away? And More… Featuring James Davenport
Feb 11 • 25 min
In this week's questions show, I answer when the cosmic microwave background will shift into radio waves, what the Sun would sound like if space was filled with air, and limits of our knowledge about planets through simulations. Visit James Davenport's…
624: Open Space 61: Do I Think We’ll Ever Travel Faster Than Light? And More…
Feb 4 • 60 min
In this week's life Q&A, I explain why we don't send animals to space any more, why I don't think we'll ever travel faster than the speed of light, and how graveyard orbits work. 00:35 Why don't we send animals to space anymore? 06:02 Will faster than…
623: Escape! Spaceflight Abort Systems from the Launch Pad to Interplanetary Travel
Feb 4 • 15 min
On Sunday, January 19th, 2020, SpaceX launched a Falcon 9 rocket carrying its newly designed Crew Dragon spacecraft. 84 seconds into flight, at the moment of maximum aerodynamic pressure, the capsule fired its eight SuperDraco thrusters, detaching from…
622: Finally! An Explanation for One of the Most Powerful Supernovae Ever Seen
Jan 31 • 9 min
In 2006, astronomers spotted the telltale sign of a supernova detonating in the galaxy NGC 1260, located about 240 million light-years away in the constellation of Perseus. As telescopes around the world turned their collective light-gathering power on…
621: Q&A 115: Could We See a Nuclear Explosion on the Moon? And More… Featuring Dr. Amber Straughn
Jan 30 • 26 min
In this week's questions show, I explain if we'd be able to see a nuclear bomb explode on the Moon, have we already passed the Great Filter, and where we could put DNA to keep it safe in the Solar System. 00:22 Could we see a nuclear bomb on the Moon?…
620: Is There A Shadow Biosphere? Life On Earth That Isn’t Related To Us
Jan 28 • 12 min
Whenever I talk about the search for life in the Universe and its emphasis on water, I get comments that scientists aren’t being creative enough. Why does life rely on water? Couldn’t there be lifeforms which are completely different from life on Earth?…
619: Open Space 60: Will Aliens Be Kind Or Cruel?
Jan 28 • 60 min
In this week's questions show, I wonder whether any aliens out there would be nice to us or try to wipe us out. What would be their motivations? Why are planets turning in the wrong direction? Would Betelgeuse generate gravitational waves? XKCD Solar…
618: The Future Of Gravitational Waves. Seeing Every Black Hole Collision In The Observable Universe?
Jan 24 • 14 min
In 2015, scientists discovered the telltale signal from ripples of spacetime sweeping over the Earth. It was the very first direct detection of gravitational waves, generated by the merger of two massive black holes 1.3 billion light-years away. This…
617: Q&A 114: Why Isn’t There A Microscope On Mars? And More… Featuring Stella Kafka from AAVSO
Jan 23 • 30 min
In this week's questions show, I explain why it doesn't make sense to send a microscope to Mars, how we could use a black hole to see a reflection of Earth and see dinosaurs, and why we don't just send a solar sail down to the Sun. Featuring Stella Kafka…
616: Open Space 59: Professor Greg Eghigian and the History of UFOs
Jan 21 • 59 min
This week I'm joined by Professor Greg Eghigian, from Penn State University to talk about the history of UFO sightings and claims of alien contact. You can read a recent essay by Dr. Eghigian on Smithsonian's Air and Space Magazine:…
615: The Far Side Of The Moon Is The Perfect Place For a Radio Telescope
Jan 21 • 11 min
We’ve now passed the 50th anniversary of the Apollo 11 landing, and all eyes are back on the Moon. NASA is planning to return to the Moon by 2024 with its Artemis mission, the Chinese have put the Moon firmly in their plans for space exploration, and even…
614: Starlink And Its Impact On Astronomy
Jan 17 • 10 min
On Monday, January 6th, 2020, another SpaceX Falcon 9 blasted off from Cape Canaveral, carrying another 60 Starlink internet communications satellites, bringing the full size of the constellation to 180. With just three launches, SpaceX becomes the…
613: Q&A 113: Could We Attach Telescopes To Starlink? And More Featuring Jeff Foust
Jan 16 • 9 min
In this week's questions show, I've got another expert guest answerer. Space News reporter and Space Review editor Jeff Foust answers your tricky spaceflight questions. Could we attach telescopes to Starlinks? What impact will these megaconstellations…
612: Open Space 58: First Pictures From the New Telescope, And More…
Jan 14 • 59 min
Thanks to our good friends at Oceanside Photo and Telescope, our livestreaming telescope is back online. I featured a couple of quick pics I took with the telescope during a test stream on Twitch Sunday night. I also answered questions about our trip to…
611: Are Aliens Watching Us And How Could We Hide? With Dr. David Kipping
Jan 14 • 23 min
Once again, at the AAS Meeting in Hawaii, I got a chance to sit down with another astronomer to talk about their research. This time it was Dr. David Kipping from Columbia University's Cool World's Lab. We talked about how easy it'll be for aliens to know…
610: Open Space 57: Could We Terraform Earth To Make It Better? And More…
Jan 11 • 59 min
In this week's Open Space QA, I respond to complaints about my Betelgeuse video, wonder about alien civilizations stuck in heavy gravity, and consider whether we could terraform Earth to make it better. 03:30 Betelgeuse video comments 08:30 Can…
609: Why Haven’t Aliens Settled Every Star In The Milky Way? With Adam Frank
Jan 11 • 14 min
At the American Astronomical Society's meeting Honolulu I got a chance to talk with Adam Frank about new research he's worked with Caleb Scharf, Jonathan Carroll-Nellenback and Jason Wright about the Fermi Paradox. They calculated how difficult it would…
608: Q&A 112: Are Stars Moving The Same Speed And More. Featuring Ethan Siegel
Jan 11 • 18 min
This week's questions show was recorded at the 235th Meeting of the American Astronomical Society in Honolulu, Hawaii. I was lucky enough to have 3,500 astronomers, space scientists and others to talk with. Ethan Siegel from "Starts with a Bang" is back,…
607: Q&A 111: Will We Ever Study All The Planets? And More…
Dec 30, 2019 • 26 min
In this week's questions show I explain how we'll ever study 100 million planets, what's the business case for space exploration, and how I pull the questions together for these shows. 00:42 Can we ever study all the planets? 03:33 Return on investment…
606: Betelgeuse Is Dimmer Than We’ve Ever Seen It
Dec 27, 2019 • 10 min
Over the last weekend, astronomy Twitter started noting that the red giant Betelgeuse, the prominent shoulder of Orion was looking visibly dimmer in the sky, and I had a few people reach out to me and ask me if it was really happening and if I knew what…
605: Open Space 56: SpaceX’s Andrew Rader and “Beyond the Known”
Dec 17, 2019 • 55 min
This week I'm joined by Andrew Rader, a game designer and mission manager at SpaceX. Andrew's new book is called Beyond the Known and it's all about the history and future of space exploration. Learn more about Andrew here: https://andrew-rader.com/ And…
604: 100 Million Exoplanets By 2050? How Will We Get There?
Dec 17, 2019 • 12 min
As I’m recording this video near the end of 2019, the total number of confirmed exoplanets stands at 4,104. We’ve come a long way since the discovery of the first exoplanet orbiting a sunlike star back in 1995 with 51 Pegasi b. And the reality is that the…
603: What Is The Crisis in Cosmology? With Dr. Paul Sutter
Dec 16, 2019 • 15 min
How old is the Universe? In order to figure that out, all you have to do is figure out how quickly it’s expanding, and then the clock backward until everything is crunched together. And astronomers have measured the rate that the Universe is expanding…
602: Q&A 110: Why Can’t I Just Be Realistic About Mars? And More…
Dec 12, 2019 • 25 min
In this week's questions show, I explain why I don't think we always need to be realistic, if galaxies in the local group are bound together gravitationally, and what we should call Earth-moving equipment on Mars. 00:20 Be realistic. 04:24 Are galaxies in…
601: Living Off The Land On Mars. What Can We Find On The Red Planet?
Dec 10, 2019 • 13 min
Extending humanity to other worlds in the Solar System is at the very limits of our modern technology. And unless there are dramatic discoveries in new propulsion systems or we learn how to build everything out of carbon nanotubes, the future of space…
600: Q&A 109: Could We Have A Steam Powered Rocket? And More…
Dec 6, 2019 • 24 min
In this week's questions show, I explain why you could have a steam-powered rocket, how often spacecraft have crashed into asteroids and comets, and why a red supergiant star actually has a very low surface gravity. 02:42 Could you build a steam-powered…
599: Flying In The Cloudtops Of Venus. Balloons, Airships And Airplanes For Venus
Dec 3, 2019 • 12 min
The exploration of Venus has been mainly about getting down to the surface of the planet. The Soviet Union sacrificed lander after lander to discover just how extreme the conditions are down there on the ground. But higher up, among the clouds, the…
598: Open Space 55: Jason Derleth, NASA’s Innovative Advanced Concepts
Dec 2, 2019 • 60 min
This week I'm joined by Jason Derleth from NASA's Innovative Advanced Concepts (or NIAC). This is a special part of NASA that funds innovative ideas for new telescopes, propulsion systems and rovers. Many of the cool, science-fiction ideas I present on…
597: Q&A 108: Why Are There Meteor Showers Every Year? And More, Featuring Paul Geithner from JWST
Nov 29, 2019 • 28 min
In this week's questions show, I explain why we can see meteor showers every year, why we're not 3D printing telescopes in space, why there aren't any plans to launch telescopes with SpaceX Starship. And a lengthy answer to one of the most common James…
596: Open Space 54: Dr. Casey Handmer On How Starship Changes Everything
Nov 26, 2019 • 60 min
Today I was joined by Dr. Casey Handmer, an accomplished theoretical physicist who currently works at NASA's Jet Propulsion Lab. Casey has a fascinating blog where he considers current trends in space exploration and what the future holds. Learn more…
595: Fraser as Guest on the Skeptic’s Guide to the Universe
Nov 26, 2019 • 103 min
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594: Building Space Telescopes… In Space
Nov 26, 2019 • 12 min
When it comes to telescopes, bigger is better. That’s true down here on Earth, and it’s especially true out in space. As astronomers and engineers design the next generation of giant space telescopes, they’re running up against the limits of current…
593: Q&A 107: All Your James Webb Questions, Answered
Nov 22, 2019 • 24 min
In this week's questions show, I tackle all the questions about James Webb generated by the videos we did this week. Can it be refueled? How can it see the entire sky? Is the delay a blessing? And more… 00:30 How will JWST run out of propellant? 03:12 Are…
592: Open Space 53: Live QA with Paul Geithner from James Webb
Nov 21, 2019 • 57 min
Today I'll be joined by Paul Geithner, the Deputy Project Manager for NASA's James Webb Space Telescope. You've had questions about this mission. Well… now's your chance to get them answered directly from the source. Paul started working with NASA in 1991…
591: The History And Future Of The James Webb Space Telescope
Nov 18, 2019 • 21 min
On March 30, 2021, NASA’s James Webb Space Telescope will blast off from the European Space Agency’s European spaceport in Kourou, French Giana on board an Ariane 5 rocket. It’ll fly to the Sun-Earth L2 Lagrange point, a relatively stable spot in space…
590: Open Space 52: Dustin Gibson from Oceanside Photo and Telescope
Nov 18, 2019 • 59 min
Today's guest is Dustin Gibson from Oceanside Photo and Telescope (OPT). Dustin will talk about his journey to becoming an astrophotographer and eventually running one of the most successful telescope retailers in the world. Follow Dustin on Instagram:…
589: Q&A 106: Do Geostationary Satellites Reenter The Atmosphere? And More…
Nov 15, 2019 • 25 min
In this week's questions show, I answer what will bring geostationary satellites back to Earth, if you could use the heat on Venus to power a rover, why are we so arrogant to believe that life formed only here on Earth, and more. 01:38 How long will…
588: Open Space 51: Where Would I Send A Rover? And More…
Nov 8, 2019 • 60 min
It was another solo live QA this week and I did my best to answer as many audience questions as I could do, closing in on 60 questions during the hour. Needless to say it was a wide-ranging conversation with questions about where I think rovers should go,…
587: Why Launch Solar Panels When You Can Print Them Directly In Space? Printing Perovskite Panels
Nov 8, 2019 • 8 min
Solar energy is the ideal way to power a spacecraft. There’s no weather, there’s no pesky atmosphere, just pure photons streaming from the Sun to harvest for whatever you need. Well, as long as you’re within the inner Solar System. But solar panels are…
586: Q&A 105: Why Not Send Earth Life to Europa? And More… Featuring Back to Space
Nov 8, 2019 • 28 min
In this week's questions show, I tackle questions about seeding Europa with hardy Earth life, what makes galaxies spin, what are we competing with aliens for, and why is it so hard for second stages of rockets to land? Subscribe to Back to Space…
585: Can Life Spread From Star to Star? The Theory of Galactic Panspermia
Nov 5, 2019 • 12 min
The race is on to find life in other places in the Solar System, from underground reservoirs on Mars to the subsurface oceans on Europa and Enceladus. If spacecraft, rovers or even astronauts make the momentous discovery of life on another world, that’ll…
584: Surviving On Venus. Is It Time To Go Back To That Awful Place?
Oct 30, 2019 • 13 min
If you’ve watched this channel enough, you might have the impression that I hate Venus. It’s possible, just possible I’ve even suggested that the planet is so terrible it should be pushed into the Sun. The reality, of course, is that it’s an absolutely…
583: A Single Spacecraft Will Visit Seven Asteroids. NASA’s Lucy Mission Passes Its Design Review
Oct 30, 2019 • 11 min
Scientists have had the opportunity to examine several asteroids in the Solar System now, and what they’ve learned is how much variety is out there, depending on the mass, distance from the Sun and composition. Astronomers currently know of 829,400…
582: Q&A 104: Should We Reconsider The Definition Of A Moon? And More…
Oct 30, 2019 • 24 min
In this week's questions show, I explain why it's probably not time to reconsider the definition of a moon, if we could make artificial gravity with a chunk of a neutron star, and why a supermassive black hole isn't the anchor for an entire galaxy. 00:47…
581: Open Space 50: When Will There Be Giant Rotating Space Stations? And More…
Oct 28, 2019 • 60 min
In this week's live QA, we talked about rotating space stations, the materials that can be made in space, what telescopes and binoculars I use. And there were a lot of questions about James Webb. 04:15 When will we see a rotating space station? 09:27 Are…
580: Is Humanity Prepared To Discover Alien Life?
Oct 25, 2019 • 12 min
People always ask me how I think humanity will react if we discover life somewhere out there in the Universe, whether it’s bacteria under the surface of Mars, a biosignature of alien life in the atmosphere of another world, or a radio signal from another…
579: Q&A 103: How Many Stars Have Zero Planets? And More…
Oct 18, 2019 • 24 min
In this week's questions show, I explain why we'll never know which stars have no planets. How we could prevent a catastrophe to Earth, and why aliens might still be a threat to us. Check out more of Dustin Gibson's photographs at:…
578: Open Space 49: How Can Planets Capture Asteroids? And More…
Oct 15, 2019 • 61 min
No guest this week, just a live QA with me and the audience about all things space and astronomy. People had questions about how planets can capture asteroids to turn them into moons, what rocket James Webb will use to fly to space, and why you can't use…
577: AstroClipper: Plans For A Two-Stage, Fully Reusable Spaceplane
Oct 15, 2019 • 12 min
Even as the first rockets were launched into space decades ago, aerospace knew it was a wasteful process. Rocket stages, motors, and complex equipment crashed into the ocean or burned up in the Earth’s atmosphere. Could spaceplanes bring the costs down?…
576: What Comes After LUVOIR? Three Extreme Ideas For Space Telescopes
Oct 11, 2019 • 12 min
While we’re all waiting for James Webb to launch - which it will - the Extremely Large Telescope to be constructed, and LUVOIR to get approved. (Please get approved, please get approved.) We’re going to need a way to pass the time. So let’s have our…
575: Q&A 102: Will Starship Cause Global Warming? And More… Featuring Tony Darnell from Deep Astronomy
Oct 11, 2019 • 24 min
In this week's questions show, I explain why Starship probably won't contribute to human carbon emissions, if there's a galactic Prime Directive, and if SpaceX has finally perfected the single-stage to orbit. Featuring Tony Darnell from Deep Astronomy and…
574: Venus Could Have Supported Life For Billions Of Years. First Habitable Planet In The Solar System?
Oct 10, 2019 • 10 min
After decades of research, including multiple landers and orbiters, science can definitively say: Venus sucks. Seriously, that place is the worst, with its boiling temperature, intense pressure, sulfuric acid rain, and more. But was it always this bad?…
573: Open Space 48: Floating in Darkness with Astronaut Ron Garan
Oct 10, 2019 • 60 min
This week I was joined by astronaut Ron Garan to talk about his new book "Floating in Darkness". Ron is an accomplished F-16 pilot, flying combat missions during Desert Shield and Desert Storm. He flew to space twice, first aboard STS-124, and then a…
572: Open Space 47: Quantum Mechanics With Caltech’s Sean Carroll
Oct 1, 2019 • 63 min
My guest this week was Professor Sean Carroll from Caltech. Sean's a theoretical physicist, author of many books, and podcaster. His newest book, "Something Deeply Hidden" has just been released, presenting his ideas about the many-worlds interpretation…
570: What Will It Take To Feed A Million People On Mars?
Oct 1, 2019 • 9 min
In 2017, Elon Musk laid out his grand sweeping plans for the future of SpaceX, the company that would take humanity to Mars. Over decades, tens of thousands of Starship flights would carry a million human beings to the surface of the Red Planet, the…
571: Starship Takes Shape. Are We Months Away From A Fully Reusable Rocket System?
Oct 1, 2019 • 12 min
On Saturday, September 28th, SpaceX CEO Elon Musk stood in front of an audience in Boca Chica, Texas, and presented the fully assembled SpaceX Starship, 50 meters tall and made from shiny stainless steel. As part of his presentation, Musk showed off the…
569: Open Space 46: Dr. Robert Zubrin and the “Case for Space”
Sep 27, 2019 • 62 min
One of my most requested guests is Dr. Robert Zubrin, engineer and founder of the Mars Society. It was Dr. Zubrin's "Case for Mars" that helped inspire me to get into space journalism in the first place. We had a wide-ranging interview that updated the…
568: Q&A 101: How Do We Know Meteorites Came From Mars? And More… Featuring Dr. Nick Cowan from McGill
Sep 26, 2019 • 27 min
In this week's questions show, I explain how scientists know that meteorites came from Mars, is it dangerous to look for alien civilizations, what citizen science projects to get involved in, and more. Featuring Professor Nick Cowan from McGill…
567: Open Space 45: Exomoons and the Terrascope with Professor David Kipping
Sep 24, 2019 • 58 min
This week I was joined in a livestream with Dr. David Kipping from Columbia University. We had a great interview about his research into exomoons, what new observatories will do for this field. We also talked about his idea of the Terrascope, using the…
566: Better Than Earth? Are There Superhabitable Worlds In The Milky Way?
Sep 23, 2019 • 10 min
I’ve said many times in the past that the Earth is the best planet in the Universe. No matter where we go, we’ll never find a planet that’s a better home to Earth life than Earth. Of course, that’s because we, and all other Earth life evolved in this…
565: Q&A 100: When Will Earth Be Uninhabitable? And More, Featuring Anton Petrov
Sep 19, 2019 • 22 min
In this week's questions show, I explain that life on Earth has less time than you think, if there could be multiple supermassive black holes inside the Milky Way, and what would we see if Mars replaced the Moon. Featuring Anton Petrov from WhatDaMath.…
564: Interview with Fraser on the Big Beard Theory
Sep 19, 2019 • 57 min
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563: Want To Explore Mars? Send Humans To The Moons Of Mars First: Phobos And Deimos
Sep 17, 2019 • 11 min
Humans to Mars. That’s the plan right? The problem is that sending humans down to the surface of Mars is one of the most complicated and ambitious goals that we can attempt. It’s a huge step to go from low Earth orbit, then lunar landings, and then all…
562: Open Space 44: Astrophotography With Dylan O’Donnell
Sep 17, 2019 • 58 min
This week I was joined by Dylan O'Donnell, an incredible astrophotographer and amateur astronomer from Australia. Dylan's photography has been featured in exhibits and websites around the world, and he's the organizer of the Starstuff Conference in Byron…
561: Water Vapor Seen In the Atmosphere Of An Exoplanet. It Might Even Be Rain
Sep 13, 2019 • 8 min
We’re learning more and more about extrasolar planets, and for the first time, astronomers have discovered water vapor in the atmosphere of a planet orbiting another star. The planet is located in the habitable zone of its star, so this might even be…
560: Q&A 99: Could We Find Life On Venus? And More, Featuring SciManDan
Sep 12, 2019 • 28 min
In this week's questions show, I talk about searching for life on Venus, trying to get to orbit with a jet, and why NASA probably shouldn't hire me. This episode features special guest SciManDan. Check out his channel at:…
559: Open Space 43: Welcome to Season 2. Mixing Concrete in Space, And More…
Sep 10, 2019 • 60 min
Welcome back to Season 2 of my weekly live QA. Your chance to ask me your questions about space and astronomy… live. Sometimes I'll have guests, and sometimes I won't. This week… I didn't. You wanted to know about recent news about astronauts mixing…
558: A Tour Of The Lagrange Points. Part 3 - Trojans and Space Colonies at L4/L5
Sep 9, 2019 • 11 min
We’ve reached the third part of our series on Lagrange Points, those stable spots in the Solar System, where you can sort of hover with the minimum amount of fuel. This episode we’re going to look at the L4 and L5 points which share the orbit with a more…
557: Q&A 98: What’s The Best Use For The Moon? And More…
Sep 5, 2019 • 25 min
In this week's questions show, I explain what I think the best uses of the Moon might be, why I'm qualified to answer questions about space, and if you could use a black hole as mirror that lets you look back in time. 00:28 What's the best use of the…
556: A Tour Of The Lagrange Points. Part 2 - Space Telescopes At L2 And Nothing At L3
Sep 3, 2019 • 17 min
Lagrange Points. Stable spots in space that you just can’t stop thinking about. What spacecraft work best in which places? What are some amazing ideas that could utilize these regions across the Solar System? In the last episode, I gave an overview of the…
555: A Tour Of The Lagrange Points. Part 1 - Past And Future Missions To L1
Aug 30, 2019 • 13 min
Thanks to gravity, there are places across the Solar System which are nicely balanced. They’re called Lagrange Points and they give us the perfect vantage points for a range of spacecraft missions, from observing the Sun to studying asteroids, and more.…
554: Q&A 97: By Request, Here’s Our Dog. And Then Some Actual Questions…
Aug 30, 2019 • 24 min
In this week's questions show, I introduce Ona, by request. I explain why I don't think going to space is going to fix the big challenges that humanity faces, and how do astronomers figure out how big a planet is? Talking about existential threats with…
553: Bringing Mars To Earth. The Plans For a Mars Sample Return Mission
Aug 28, 2019 • 12 min
One of the great accomplishments of the Apollo missions was to bring home hundreds of kilograms of lunar rock. Suddenly, geologists had a lifetime’s worth of lunar samples captured from several different spots across the Moon. These rocks and dust have…
552: A Spacecraft Is Going To Build Its Own Solar Panels In Space: Archinaut One
Aug 23, 2019 • 11 min
As I’ve mentioned in several episodes now, humanity is in a bit of a transition period, a time when it makes sense to launch material up and out of Earth’s gravity well into orbit, and beyond. But it’s really expensive, costing up to $10,000 per pound you…
551: Q&A 96: Why Are Astronomers Finding Such Bizarre Exoplanets? And More…
Aug 22, 2019 • 21 min
In this week's questions show, I explain why all the planets astronomers have found are so bizarre. Couldn't we use laser highways to go faster? Is the lunar gateway really a lunar tollbooth? 00:14 Why do planets orbit so quickly? 02:33 What about laser…
550: Exploring The Icy Moons of Jupiter. NASA’s Europa Clipper and ESA’s JUICE
Aug 20, 2019 • 12 min
Mars is the place that most of our spacecraft, landers and rovers are studying, searching for any evidence that life ever existed somewhere else in the Solar System. But talk to planetary scientists, and they’re just as excited about the ocean worlds of…
549: Why Build Big Rockets At All? It’s Time For Orbital Refueling
Aug 16, 2019 • 11 min
On Tuesday, July 30th, NASA announced 19 different partnerships with 13 different companies to use their expertise to help them develop space technologies, from advanced communications systems to new methods of entry, descent and landing. Instead of…
548: Q&A 95: Is Techno-Optimism Blinding Us To The Challenges of Space Exploration? And More…
Aug 15, 2019 • 26 min
In this week's questions show, I answer if techno optimism is blinding us to the challenges of spaceflight, why there aren't spacecraft at all the planets right now, could the Great Attractor be dark matter? And more… Links to various raw images Cassini -…
547: Spacecraft Gyroscopes And Reaction Wheels. You Can Never Have Enough
Aug 12, 2019 • 11 min
It’s amazing to think there are telescopes up in space, right now, directing their gaze at distant objects for hours, days and even weeks. Providing a point of view so stable and accurate that we can learn details about galaxies, exoplanets and more. And…
546: One Year, Almost 1,000 Planetary Candidates. An Update On TESS
Aug 9, 2019 • 11 min
NASA’s Transiting Exoplanet Survey Telescope launched back in April, 2018. After a few months of testing, it was ready to begin mapping the southern sky, searching for planets orbiting stars relatively nearby. We’re just over a year into the mission now,…
544: Q&A 94: Can Solar Sails Explore The Outer Solar System? And More…
Aug 8, 2019 • 22 min
In this week's questions show, I answer a question about solar sails, what geologists might learn from lunar rocks, if Earth could survive inside Jupiter, could gas giants be closer to the Sun, and more. Dark Site Finder: https://darksitefinder.com/map/…
543: What Are Light Echoes? Using Reflections Of Light To See Even Further Back In Time
Aug 5, 2019 • 11 min
When we look outward into space, we’re looking backwards in time. That’s because light moves, at the speed of light. It takes time for the light to reach us. But it gets even stranger than that. Light can be absorbed, reflected, and re-emitted by gas and…
542: How Habitable Is Titan? NASA Is Sending The Titan Dragonfly Helicopter To Find Out
Aug 2, 2019 • 11 min
There are few places in the Solar System which are as fascinating as Saturn’s moon Titan. It’s a world with a thicker atmosphere than Earth. Where it’s so cold that it rains ammonia, forming lakes, rivers and seas. Where water ice forms mountains. Like…
545: Q&A 93: When Will The Space Junk Return To Earth? And More…
Aug 1, 2019 • 32 min
In this week's questions show, I explain how long it'll take for space junk to burn up in the Earth's atmosphere, would it be possible to put advertising in space, and why panspermia is appealing as a hypothesis. 01:04 When will the space junk return to…
541: Why Is The Moon’s South Pole So Important? It’s All About Water
Jul 30, 2019 • 12 min
As NASA prepares to return to the Moon by 2024 as part of its Artemis program, the agency is focusing its efforts on exploring the Moon’s polar regions. These are areas of the Moon which seem to have a lot of water mixed in with the regolith. Some of…
540: Planetary Society Deploys LightSail 2’s Solar Sail. What Does The Future Hold For Solar Sails?
Jul 26, 2019 • 10 min
Where you can travel in space depends on how much propellant you’ve got on board your rocket and how efficiently you can use it. But there’s a source of free propellant right here in the Solar System - the Sun - which is streaming out photons in all…
539: Q&A 92: Can We Accelerate At 1G Like In The Expanse? Featuring Sophia Gad-Nasr
Jul 24, 2019 • 30 min
In this week's QA, I tackle constant acceleration. Do we have anything that can accelerate at 1G for long periods of time? Why are there different sized stars? And do the heavier elements come from supernovae or colliding neutron stars? Check out Sophia…
538: Searching For The Red Edge. How The Earth’s Forests Are Telling The Aliens Where We Live
Jul 23, 2019 • 10 min
People are always worried that alien civilizations will detect the transmissions from our old radio shows and television broadcasts, and send in the invasion fleet. But the reality is that life itself has been broadcasting the existence of life on Earth…
537: Catching The Next Interstellar Asteroid Or Comet. ESA’s Comet Interceptor Mission
Jul 23, 2019 • 10 min
On October 19th, 2017 astronomers detected the first interstellar asteroid (or maybe comet) passing through the Solar System: Oumuamua. It had a brief encounter with the inner Solar System and then hurtled back out into interstellar space. Once…
536: Q&A 91: Are Space Telescopes A Waste Of Money? And More…
Jul 9, 2019 • 13 min
In this week's QA, I answer why space telescopes aren't a waste of taxpayer resources, if ground-based space telescopes will become obsolete, and whether it makes sense to crash phobos into Mars. 00:18 Waste of taxpayer money? 02:14 Will ground-based…
535: Fermi Paradox: Where are they? A Debate with John Michael Godier Moderated by Skylias
Jul 4, 2019 • 38 min
This past weekend Skylias moderated a debated between John Michael Godier and Fraser Cain over their Fermi paradox theories. If there are aliens where are they? The Fermi paradox theory asks where are the alien civilizations in the galaxy? And in the…
534: Q&A 90: How Do We Know What The Milky Way Looks Like? And More…
Jul 3, 2019 • 19 min
In this week's questions show, I explain how astronomers know what the Milky Way looks like, what would happen in a catastrophic impact on the International Space Station, and who is the team who works with me on Universe Today? Our Book is out!…
533: Earth To Mars In 100 Days? The Power Of Nuclear Rockets
Jul 1, 2019 • 11 min
The Solar System is a really big place, and it takes forever to travel from world to world with traditional chemical rockets. But one technique, developed back in the 1960s might provide a way to dramatically shorten our travel times: nuclear rockets. Of…
532: Q&A 89: Why Didn’t NASA Build More Hubbles? And More…
Jun 21, 2019 • 19 min
In this week's questions show, I explain why NASA decided to build James Webb and not more Hubble Space Telescopes, what would happen if you opened up a jar in space, and do we know of any stars without planets? 00:45 Why doesn't NASA build more Hubbles?…
530: 386: Planetary Protection: What If We Destroy Life Before We Even Find It?
Jun 18, 2019 • 10 min
Explorers have always brought stowaways with them on board. Thanks to our travels around the world, hardy creatures like rats, goats, pigs and starlings and more have found their way to every corner of the globe. Not to mention our plants, microbes and…
531: Open Space 41: Seeing Jupiter At Opposition, And More…
Jun 18, 2019 • 61 min
In this week's penultimate episode of Open Space before our summer hiatus, I give tips and tricks on seeing Jupiter, what's a good starting telescope, updates on LIGO, why rockets launch straight up, and more… 00:00 Introduction 02:00 Looking at Jupiter…
529: Open Space 40: To The Moon By 2024? And More…
Jun 12, 2019 • 60 min
In this week's live QA episode, I tackled questions about the reality of returning astronauts to the Moon by 2024, the loss of dark skies, will we ever be able to shop for our own personal spacecraft, and more. 01:00 Our hiatus 04:40 Can we really return…
528: Q&A 88: How Could We Cool Down Venus? And More…
Jun 6, 2019 • 21 min
Here's my interview on Space Junk about the Fermi Paradox: https://anchor.fm/spacejunk/episodes/The-Fermi-Paradox-and-The-Great-Filter-w-Fraser-Cain-e44uff 00:29 Are rings only limited to gas giants? 02:30 If we blocked the light on Venus, would it cool…
527: Just How Tough Is Earth Life? Tough Enough To Go Space And Still Thrive
Jun 4, 2019 • 8 min
Audio Podcast version: ITunes: https://itunes.apple.com/us/podcast/universe-today-guide-to-space-audio/id794058155?mt=2 RSS: https://www.universetoday.com/audio What Fraser's Watching Playlist:…
526: Q&A 87: Why Is Starlink So Bright? Is It Right For Starlink To Provide Internet? And More…
May 31, 2019 • 22 min
00:28 Why is Starlink so bright? 02:52 Should Starlink provide internet access? 07:02 How do chemical thrusters work in a vacuum? 07:50 Sgr A* is pretty cool? 09:09 Launch providers should provide a discount for science 10:16 Could Starlink satellites do…
525: SpaceX Just Launched the First 60 Satellites for Starlink. What About Space Junk?
May 28, 2019 • 10 min
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524: Space Junk Podcast - Interview with Fraser about the Fermi Paradox and the Great Filter
May 27, 2019 • 72 min
Support Universe Today podcasts with Fraser Cain
523: Interview with Fraser on the SNaQ Podcast
May 22, 2019 • 62 min
Support Universe Today podcasts with Fraser Cain
522: 382: Project Artemis: NASA’s Plans To Return To The Moon By 2024
May 21, 2019 • 8 min
Audio Podcast version: ITunes: https://itunes.apple.com/us/podcast/universe-today-guide-to-space-audio/id794058155?mt=2 RSS: https://www.universetoday.com/audio What Fraser's Watching Playlist:…
521: Open Space 39: Dennis E. Taylor, author of the Bobiverse Trilogy
May 21, 2019 • 60 min
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520: Q&A 86 : Could We Move Atmosphere from Venus to Mars? And More… Featuring Dylan O’Donnell
May 20, 2019 • 26 min
Subscribe to Dylan's Channel: https://www.youtube.com/channel/UCgOf4wBnoGg8WHHHr_h4otQ 00:27 Reusable platform for space exploration? 03:20 Move atmosphere from Venus to Mars? 05:08 Where to Mars clouds come from? 06:23 Earth like planets in Andromeda…
519: Open Space 38: Thoughts On Blue Origin/Blue Moon and More…
May 14, 2019 • 60 min
01:00 Gravity Wells are for Suckers poster 01:36 What's coming out soon? 03:15 Why are people worried about overpopulation? 04:41 Favorite spot on Vancouver Island to see stars? 06:12 Why no guest this week? 09:04 More about space construction? 10:25 Have…
518: 16 Years of Hubble Data In One Incredible Picture. The Hubble Legacy Field
May 14, 2019 • 7 min
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517: QA 85: Am I Optimistic About Humanity? And More…
May 9, 2019 • 19 min
00:18 Am I optimistic about humanity? 01:59 Is the expansion happening everywhere? 04:03 How do they keep dust off big telescopes? 05:02 What if Olympus Mons erupted? 06:36 Can we see through the Bootes Void? 08:18 Could we make a really big Event Horizon…
516: Open Space 37: Can The Sun Release A Killer Flare? And More…
May 7, 2019 • 62 min
01:11 Is our Sun capable of releasing a super flare? 04:10 How much for a decent starting telescope? 05:20 Is terraforming Mars pointless? 07:08 Will alien life exist in the future? 09:03 Will Dobsonians work in a city? 09:45 What is the space race trying…
515: Build Enormous Structures In Space With 3D Printing
May 7, 2019 • 10 min
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514: Q&A 84: Is It Cheaper To Build Stuff In Space? And More…
May 4, 2019 • 16 min
00:18 Is it cheaper to build things in space? 02:24 Is space rolling downhill? 05:13 What would a citykiller look like? 07:33 Farts in space? 08:54 Space-based interferometers 10:44 How much of the Universe's life has already happened. 12:42 Why not…
513: 379: LIGO/Virgo Upgraded. A Black Hole Merger Every Week?
May 1, 2019 • 9 min
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512: Open Space 36: Live QA with Meteorite Man Geoff Notkin
Apr 30, 2019 • 61 min
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511: Where Will the Voyagers Go Next?
Apr 29, 2019 • 9 min
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510: Open Space 35: Live QA with Gizmodo’s George Dvorsky
Apr 22, 2019 • 60 min
This week, my guest will be science writer and futurist George Dvorsky, from Gizmodo and io9.Support Universe Today podcasts with Fraser Cain
508: QA 83: New Planets Around Dead Stars? Featuring Dr. Sabine Hossenfelder
Apr 15, 2019 • 23 min
In this week's questions show, I wonder if planets could form from the wreckage around dead stars, who don't all stars collapse immediately into black holes, and where did my new channel pic come from?Support Universe Today podcasts with Fraser Cain
509: Open Space 34: Live QA with Guest: Chad Weber
Apr 15, 2019 • 60 min
Today I'm joined by Chad Weber, the video editor for the Guide to Space and other videos we do here on Universe Today. Chad was also the audio editor for Astronomy Cast and other Astrosphere projects.Support Universe Today podcasts with Fraser Cain
507: 377 - It’s Finally Here! The First Image Of A Black Hole
Apr 10, 2019 • 7 min
All that waiting has paid off. Here it is, the first ever image of a black hole. Support Universe Today podcasts with Fraser Cain
506: 376 - The New Planet Hunters. Who Will Find Earth 2.0?
Apr 9, 2019 • 17 min
We now know of thousands of confirmed exoplanets, with many more candidates. And there are now dozens of planet hunting telescopes on Earth and in space, using a range of techniques to find tens of thousands more. There’s a new class of instruments and…
505: Open Space 33: Live QA with Dr. Brian Keating (Losing the Nobel Prize)
Apr 8, 2019 • 59 min
My guest today will be Dr. Brian Keating, a professor of physics and the author of the recent book "Losing the Nobel Prize". Brian was on the BICEP2 team that announced the discovery of primordial gravitational waves; a discovery that turned out to be…
504: QA 82: Could There Be Galactic Panspermia? And More…
Apr 3, 2019 • 24 min
In this QA episode, I wonder if there could be a galactic panspermia, why I'm always stealing articles from Fraser Cain from Universe Today, and where the Universe came from.Support Universe Today podcasts with Fraser Cain
503: Open Space 32: Live QA with Dr. Ian O’Neill
Apr 1, 2019 • 61 min
My guest today will be Dr. Ian O'Neill. Ian is an astrophysicist and journalist, and has been covering space and astronomy news for more than a decade.Support Universe Today podcasts with Fraser Cain
501: 374: Soaring Above Mars. Airplanes, Helicopters and Balloons on the Red Planet
Mar 25, 2019 • 11 min
Aircraft make some of the best platforms for science here on Earth. From weather balloons to study the high atmosphere to aircraft that fly into the hearts of hurricanes. From surveys of Antarctic ice sheets to drones. Support Universe Today podcasts with…
502: Open Space 31: The Cosma Hypothesis with Frank White
Mar 25, 2019 • 61 min
This week I'm joined by Frank White, author of the Overview Effect. His new book is the Cosma Hypothesis, which talks about humanity's role in the larger cosmos.Support Universe Today podcasts with Fraser Cain
500: QA 81: Did Life Evolve Only Once? And More… Featuring Science Mom
Mar 24, 2019 • 28 min
In this week's QA, we discuss infecting Mars with diarrhea, if life evolved more than once, and why other countries don't help explore space.Support Universe Today podcasts with Fraser Cain
499: 374: The Incredible Challenge of Landing Heavy Payloads On Mars
Mar 20, 2019 • 12 min
It’s too bad Mars is such an interesting place, because it’s actually one of the most difficult places to visit in the Solar System, especially if you want to bring along a lot of luggage. That planet is a graveyard of missions that didn’t quite make…
498: Open Space 30: Searching for Exoplanets with Dr. Jessie Christiansen
Mar 18, 2019 • 61 min
This week's guest is Dr. Jessie Christiansen, aka the Aussie Astronomer. Jessie is an exoplanet researcher working at NASA's Exoplanet Science Institute at Caltech. We'll talk all things exoplanets.Support Universe Today podcasts with Fraser Cain
497: Space Junk Podcast: Conspiracy Theories With Fraser Cain
Mar 12, 2019 • 72 min
I was a guest on the Space Junk Podcast from Oceanside Photo and Telescope. Subscribe to their podcast! When it comes to end of the world theories, NASA conspiracies or astronomy hoaxes Fraser has seen or heard them all. This episode picks apart those…
496: Open Space 29: Existential Risks with Phil Torres
Feb 26, 2019 • 62 min
My guest today is Phil Torres, author, journalist and the founder of the X-Risks Institute. He tracks the ways the world could end. He's the author of Morality, Foresight and Human Florishing. An Introduction to Existential RisksSupport Universe Today…
494: Open Space 28: Live QA with Dr. Morgan Rehnberg
Feb 25, 2019 • 60 min
This week I'm joined by Dr. Morgan Rehnberg. Morgan is a planetary scientist, scriptwriter for SciShow Space, and of course, one of the co-hosts of the Weekly Space Hangout.Support Universe Today podcasts with Fraser Cain
495: QA 80: Does Everything Orbit Something? And More Featuring Dr. Becky
Feb 25, 2019 • 27 min
In this week's QA, I answer if Opportunity could ever phone home, are there stars between galaxies, and who, exactly, is Chad? Featuring a special guest answer from Dr. Becky.Support Universe Today podcasts with Fraser Cain
493: 373 - Farewell Opportunity. A History Of The Mars Exploration Rovers
Feb 20, 2019 • 12 min
Today I wanted to look back at the history of the Mars Exploration Rovers, Spirit and Opportunity. To take you through their creation, launch to Mars, the amazing discoveries they made, and of course, how they finally died.Support Universe Today podcasts…
492: Open Space 27: Live QA with Dr. Kimberly Cartier
Feb 18, 2019 • 61 min
Dr. Kimberly Cartier is an exoplanet researcher, reporter for Eos Magazine and one of my co-hosts with the Weekly Space Hangout. Join us for a conversation about space, astronomy and the search for extrasolar planets.Support Universe Today podcasts with…
491: QA 79: Galactic Prime Directive Keeping Us In The Dark? And More… Featuring Ryan Macdonald
Feb 14, 2019 • 29 min
In this week's questions show, I explain why SLS is still happening, if we can rule out contamination when we finally find life, and wonder why China is sending spacecraft to the Moon. Support Universe Today podcasts with Fraser Cain
490: Open Space 26 - Live QA, Searching for Technosignatures with Dr. Jason Wright
Feb 11, 2019 • 64 min
Today Fraser is joined by exoplanet researcher Dr. Jason Wright from Penn State University. In addition to the more traditional hunt for exoplanets, Jason is helping define the search for extraterrestrials using all the new techniques available to…
489: QA 78: Why Use Crew Dragon AND Starliner? And More, Featuring Everyday Astronaut
Feb 6, 2019 • 27 min
In this week's QA, I wonder if there were other bombardments, how the Earth could have been oxygen rich, and why the asteroid belt isn't a planet. With a special guest answer from Tim Dodd, the Everyday Astronaut.Support Universe Today podcasts with…
487: Open Space 25 - Amateur Astronomy with Dean Regas
Feb 4, 2019 • 62 min
Today I hang out with astronomer Dean Regas, author with the Cincinnati Observatory and author of 100 Things to See in the Night Sky.Support Universe Today podcasts with Fraser Cain
488: 372: Dark Energy Seems To Be Changing Over Time. Leading To A Big Rip?
Feb 4, 2019 • 10 min
Astronomers working with the NASA’s Chandra X-Ray Observatory and ESA’s XMM-Newton have developed a technique to watch quasars and track the expansion of the Universe over the last 9 billion years. What they found is that the mysterious dark energy that’s…
486: 371: Oldest Rock From Earth Was Found On The Moon (Of All Places)
Feb 2, 2019 • 8 min
Geologists think they’ve found the oldest Earth rock ever seen. And they found it in one of the last places you’d ever suspect, on the Moon. When the Apollo 14 astronauts returned their lunar samples back to Earth, they were carrying one rock that had…
485: QA77: Constant Acceleration For Artificial Gravity? And More… Featuring Astroathens
Jan 30, 2019 • 30 min
In this week's Questions Show, I wonder if there's a way ion engines can give us artificial gravity, if electromagnetic rail guns can launch space craft, and should we be worried about returning alien pathogens back to Earth?Support Universe Today…
484: Open Space 24 - Going The Speed of Light With Dr. Paul Sutter
Jan 29, 2019 • 60 min
Today I hang out with astrophysicist Dr. Paul Sutter to talk about space and his new book, Your Place in the Universe.Support Universe Today podcasts with Fraser Cain
483: 370: Can There Be Life On Planets Around Red Dwarf Stars?
Jan 23, 2019 • 9 min
As astronomers find more and more planets around other stars, the big question we want to know is: are they habitable, could there be life there?Support Universe Today podcasts with Fraser Cain
482: QA 76: Can You Come To A Dead Stop In Space? And More… Featuring Launch Pad Astronomy
Jan 22, 2019 • 25 min
In this week's QA, I answer if it's possible to come to a dead stop, will Mars be more habitable when the Sun expands as a red giant, is there a stellar mass black hole nearby, and more…Support Universe Today podcasts with Fraser Cain
481: Open Space 23 - Space and Futurism With Isaac Arthur
Jan 21, 2019 • 61 min
In this week's live QA, I sit down with Isaac Arthur. He talks about the challenges of futurism, how he creates so much amazing content, and a new suggestion for the Prime Directive: Don't Be a Jerk.Support Universe Today podcasts with Fraser Cain
480: 369: Many New Fast Radio Bursts Found, Including Another Repeater
Jan 17, 2019 • 10 min
One of the big mysteries in astronomy is unfolding right before our eyes: fast radio bursts. And now a new Canadian radio telescope has come online, detecting many new bursts, including the second ever seen repeating. Support Universe Today podcasts with…
479: QA 75: Have We Already Infected Mars with Bacteria? And More…
Jan 15, 2019 • 25 min
In this week's questions show, I wonder if we've already infected Mars with our Earth life, why we assume aliens build Dyson Spheres, and if you could link up 5 Hubble telescopes together.Support Universe Today podcasts with Fraser Cain
478: Open Space 22: Photonic Propusion, Canada in Space, Big or Small Rockets, and More…
Jan 15, 2019 • 60 min
This week's Live QA was just me, no guest. Which gave us lots of time to get into your questions. We talked about photonic propulsion systems, the future of small rockets and whether space elevators will work better on the Moon or Mars.Support Universe…
477: 368: Searching for Technosignatures. Evidence of Intelligent Alien Civilizations
Jan 10, 2019 • 11 min
Are we alone in the Universe? It’s one of the most difficult and important questions that humanity can ask. As Arthur C. Clarke noted, it’s equally terrifying whether the answer is yes or no.Support Universe Today podcasts with Fraser Cain
476: QA 74: Can We Be Ready for the Next Oumuamua? And More…
Jan 8, 2019 • 22 min
In this week's questions show, I wonder what we'd do if we actually found life, if we can be ready for the next interstellar asteroid, why the Mars 2020 rover is going to help with sample return and more. Support Universe Today podcasts with Fraser Cain
475: Open Space 21: Live QA with John Michael Godier
Jan 7, 2019 • 62 min
This week I'm joined by sci-fi author and science writer John Michael Godier. We talk about the latest space news and what's happening with John's new Event Horizon Channel. Support Universe Today podcasts with Fraser Cain
474: 367: Project Dragonfly. A Laser-Powered Probe to Alpha Centauri
Jan 6, 2019 • 10 min
The distances between stars are so vast, it’s hard to wrap your mind around it. Even our far flung Voyagers have barely reached interstellar space, and would take tens of thousands of years to get to even the nearest star. But scientists and engineers are…
473: QA 73: Is SETI Pointless? And More…
Jan 1, 2019 • 21 min
In this week's questions show, I wonder if moons could be geostationary, if we could detect Hawking radiation, if SETI is pointless, and why I'm always talking to people like they're 11. as the Sun. In fact, this star is a virtual twin of the Sun and it’s…
472: 366: One of the Sun’s Sibling Stars Has Been Found. And It’s Actually Pretty Close
Nov 29, 2018 • 9 min
Thanks to the hardworking Gaia spacecraft, astronomers think they’ve located a star that formed from the same solar nebula as the Sun. In fact, this star is a virtual twin of the Sun and it’s actually pretty close. Well, astronomical speaking.Support…
471: QA 72: Escaping an Extinction Event and More…
Nov 22, 2018 • 24 min
In this week's questions show, I wonder how well we'll be able to survive various extinction scenarios, can mobile apps help you learn the night sky? What would we do if Tunguska happened today? And more…Support Universe Today podcasts with Fraser Cain
470: 365: Is Oumuamua a Solar Sail Spacecraft from Another Star? Probably Not
Nov 19, 2018 • 11 min
It’s been about a year since the mysterious interstellar asteroid (or maybe comet) Oumuamua passed through our Solar System. It was going so fast and was so far away that astronomers could see very little before it was off and away into deep space…
469: QA71: Could We React to An Incoming Asteroid? And More…
Nov 12, 2018 • 15 min
In this week's questions show, I wonder if we'll have enough time to respond to an asteroid or comet, if we're going to fill the asteroid belt with space junk and if antimatter engines are the best way to explore space.Support Universe Today podcasts with…
468: 364: The Search for Neutrinos. Catching These Elusive Particles in a Gigaton of Ice
Oct 24, 2018 • 12 min
In the pristine icy environment of Antarctica, there’s a telescope, embedded into an ancient glacier. The telescope is observing the Universe, directly through the Earth, using a cubic kilometer of ice to capture elusive particles called neutrinos.…
466: Open Space 20: Live QA with Casey Dreier from the Planetary Society
Oct 1, 2018 • 60 min
Casey Dreier is the Planetary Society's Director of Space Policy, helping to advocate for planetary science with the US government. He's probably the best person I know to talk about the state of US space policy and the future of crewed and robotic…
467: QA 70: What is Space Itself? And More Featuring Dr. Paul Sutter
Oct 1, 2018 • 25 min
We recorded this week's episode of the QA show from inside the Carnival Magic cruise ship, as part of our summer Astrotour. I saved up a bunch of tough questions for Dr. Paul Sutter, including: what is space itself? Could we use negative mass to destroy…
465: QA 69: Can We Detect Random Particles With The LHC? And More With Dr. Pamela Gay
Sep 21, 2018 • 32 min
We recorded this episode of the QA live in front of a real audience as part of our Astronomy Cast 500 celebration. I took some rough questions and threw them at Pamela Gay, my co-host in Astronomy Cast. Will the Large Hadron Collider randomly detect…
464: 363: A Return Mission to Pluto? This Time to Stay
Sep 20, 2018 • 11 min
New Horizons gave us the best views we could have hoped for of Pluto. But it was only a single glimpse of half the world. What's New Horizons up to next? And what plans are in the works to return to Pluto and Charon?Support Universe Today podcasts with…
463: QA 68: What If It’s Really a Vast Government Conspiracy? And More…
Sep 12, 2018 • 22 min
In this week's questions show, I explain how I'd react if it turned out the government was hiding evidence of aliens. How we communicate with Mars when it goes behind the Sun, and why we should bother building space telescopes any more.Support Universe…
462: Open Space 19: QA with Anton Petrov. Surf a Gravitational Wave, Building Sea Dragon and More…
Sep 10, 2018 • 61 min
For tonight's live QA, I'll be joined by Anton Petrov, a math and science teacher who talks about space and astronomy on his YouTube channel, often simulating events in Universe Sandbox to show how they work.Support Universe Today podcasts with Fraser Cain
461: 362: How Are We Searching For Dark Matter? And How Do We Even Know It’s Real?
Aug 30, 2018 • 16 min
Whenever I mention dark matter in anyway in the Guide to Space, or in a questions show, I get a bunch of responses that have essentially the same point. Astronomers are just speculating, why do they even think dark matter is a thing?Support Universe Today…
460: Open Space 18: When Will Betelgeuse Go Supernova? And more…
Aug 27, 2018 • 60 min
In this week's live QA, I answer questions about when Betelgeuse will go supernova, how bad are the fires here in British Columbia, and which planets I'd like us to send probes to.Support Universe Today podcasts with Fraser Cain
459: QA 67: Is Anywhere Else Perfectly Habitable? And More… Featuring Dr. Sabine Hossenfelder
Aug 22, 2018 • 17 min
In this week's questions show, I explain why we don't know of any perfectly habitable worlds in the galaxy. Why we don't know if the Universe is finite or infinite, and why we call it "micro gravity" and not "zero gravity".Support Universe Today podcasts…
458: Open Space 17: Live QA with Fraser
Aug 20, 2018 • 58 min
No guests this time, just a live QA with Fraser.Support Universe Today podcasts with Fraser Cain
457: 361: Making the Atmosphere Disappear. The Power of Adaptive Optics
Aug 16, 2018 • 10 min
The Earth’s atmosphere keeps us safe from the harsh environment of space, but it also obscures our view into the cosmos. No matter how powerful a telescope you build, the turbulence of the atmosphere limits your resolution. But astronomers and engineers…
456: QA 66: What If SpaceX Went Bankrupt? and More…
Aug 14, 2018 • 23 min
In this week's questions show, I wonder what would happen if SpaceX failed as a company, why New Horizons can't search for Planet 9, and I ask for your suggestions for new names to call dark matter and dark energy.Support Universe Today podcasts with…
455: Open Space 16: Live QA with Professor Avi Loeb, Breakthrough Starshot
Aug 13, 2018 • 61 min
Professor Avi Loeb is one of the hardest working astrophysicists in the field, writing a blistering number of academic papers on fascinating topics like the Fermi Paradox, the habitability of other worlds, black holes, and the history of the early…
454: Open Space 15: Live QA with David Brin
Aug 6, 2018 • 59 min
On this week's live QA, I got a chance to talk with David Brin, a science fiction author, futurist, and an advisor for NASA's Innovative Advanced Concepts awards. David and I talked about the Transparent Society, why we should go to asteroids before the…
453: Open Space 14: Prof. Brad Peterson and LUVOIR
Jul 30, 2018 • 59 min
This week Professor Brad Peterson joins me to talk about the capability of the LUVOIR telescope, which is one of the next generation space telescopes NASA is considering as part of its new Decadal Survey.Support Universe Today podcasts with Fraser Cain
452: QA 65: Is Dark Matter Really Real? And More
Jul 25, 2018 • 22 min
In this week's QA, I explain why dark matter is really a thing, and not just some made up thing by evil astronomers. How event horizons flatten out when they spin, what kind of scientist I'd want to be, and if you could build a ladder to space.Support…
451: Open Space 13: Live QA with Fraser Cain
Jul 23, 2018 • 59 min
Just me again, back from Australia answering live questions about the Universe.Support Universe Today podcasts with Fraser Cain
450: 360 - Missing Baryonic Mass in the Universe… Found!
Jul 14, 2018 • 9 min
Astronomers have finally solved one of the outstanding mysteries in cosmology. Forget about all the dark matter and dark energy, where’s all the missing regular mass in the Universe? This has been called the “missing baryon problem”.Support Universe Today…
449: QA 64: What If The Milky Way Lost Its Black Hole? And More…
Jul 12, 2018 • 19 min
In this week's question's show, I answer what would happen if the Milky Way lost its supermassive black hole, why can't you spiral stuff into the Sun, why do we assume life breathes oxygen?Support Universe Today podcasts with Fraser Cain
448: 359 - Space Navigation. Finding Your Way in the Cosmos
Jul 11, 2018 • 11 min
Until we learned to properly navigate our way across the oceans, early explorers were fearful to lose sight of land in case they’d be lost at sea. They learned to use the water currents, winds, movements of birds and of course, the positions of the Sun,…
447: QA 63: Why Can’t We Find Planet 9? And More…
Jul 6, 2018 • 20 min
In this week's episode, I explain why you can't just calculate the position of Planet 9, why we don't use parachutes to retrieve boosters, and if we can wait 100 million years to see the Great Attractor.Support Universe Today podcasts with Fraser Cain
446: First Ever Picture of a Baby Planet!
Jul 4, 2018 • 6 min
For the first time ever, astronomers have captured a direct image of a newly forming planet orbiting around a newly forming star. It’s a stunning photograph, not only for the science and what was observed, but what it means the future of exoplanetary…
445: OpenSpace 12 - Live QA with Fraser
Jul 2, 2018 • 59 min
Live QA with just Fraser this week.Support Universe Today podcasts with Fraser Cain
444: 357 - Harvesting Resources From The Solar System. In Situ Resource Utilization
Jun 29, 2018 • 14 min
Rocket launches are expensive. Even with huge price drops from SpaceX and other New Space companies, there’s no cheap way to get stuff down here in Earth’s gravity well up to low Earth orbit. In order to really survive and thrive in space, we’ve got to…
443: QA 62: Can We Build A Space Internet and More…
Jun 26, 2018 • 20 min
In this week's questions show, I answer if it's a good idea to build a space internet, if microbes reach Mars, will they evolve into something new, where could we go after Mars, and more.Support Universe Today podcasts with Fraser Cain
442: Open Space 11: Live QA with Dr. Pamela Gay
Jun 24, 2018 • 60 min
This week I'm joined by my Astronomy Cast co-host Dr. Pamela Gay to talk about all things astronomy, and casting.Support Universe Today podcasts with Fraser Cain
441: QA 61: Could Jupiter Be a Gravity Lens? and More…
Jun 20, 2018 • 17 min
In this week's QA, I present real pictures of the whole Earth, not some fake CGI, and wonder if Jupiter could be used as a gravitational lens for a space telescope.Support Universe Today podcasts with Fraser Cain
440: Open Space 10: Live QA with Fraser, Space Force and More…
Jun 18, 2018 • 60 min
In this week's live QA, I was solo again, answering live questions from the audience about Trump's ongoing plans to build a Space Force.Support Universe Today podcasts with Fraser Cain
439: QA 60: How Do We Know Where Gravitational Waves Come From? And More…
Jun 14, 2018 • 27 min
In this week's questions show, I explain how we now where gravitational waves are coming from, will there be planets around a white dwarf, what does it feel like where the space station is getting boosted, and if I'm an arrogant fool.Support Universe…
438: 356: What Comes After James Webb and WFIRST? Four Amazing Future Space Telescopes
Jun 12, 2018 • 14 min
The Hubble Space Telescope has been in space for 28 years, producing some of the most beautiful and scientifically important images of the cosmos that humanity has ever taken. But let’s face it, Hubble is getting old, and it probably won’t be with us for…
437: Open Space 9: Radio Astronomer Dr. Nicole Gugliucci
Jun 11, 2018 • 63 min
This week, it's a live QA with radio astronomer Dr. Nicole Gugliucci to talk about radio telescopes, and how close the movie Contact is to reality.Support Universe Today podcasts with Fraser Cain
436: 355: The Problem of Power in Space. NASA’s New Kilopower Reactor
Jun 8, 2018 • 13 min
Space is the worst. It’s got hostile radiation, a total lack of atmosphere, near absolute zero temperatures, problematic gravity wells, and worse. In order to keep your spacecraft alive in that environment, you need electricity to keep it warm. Not to…
435: QA 59: Why Does the Deep Future Make Us Sad? And More…
Jun 6, 2018 • 20 min
In this week's questions show, I talk about entry level telescopes, why we can see galaxies billions of light years away but not objects on the Moon, and why events that won't happen billions of years into the future still make us kind of sad. Support…
434: Open Space 8: Guest Dr. Paul Sutter from Ask a Spaceman
Jun 4, 2018 • 63 min
Paul was busy last week, but now he's ready to join me for an hour answering your mind bending questions about space and astronomy. Bring all your complex questions about dark matter, black holes and the Big Bang and he'll sort it all out.Support Universe…
433: 354: Are We The First Advanced Civilization in The Solar System?
May 31, 2018 • 10 min
Humans are believed to be the most technologically advanced civilization that’s ever set foot on Earth, or really anywhere in the Solar System. But are we the first?Support Universe Today podcasts with Fraser Cain
432: QA 58: Can We Live If The Sun Dies? and More, Featuring Astronaut Mike Massimino
May 29, 2018 • 21 min
In this week's questions show, astronaut Mike Massimino answers a question about astronaut training, I wonder how we could survive if the Sun dies, and explain why the shuttle's fuel tank was orange.Support Universe Today podcasts with Fraser Cain
431: Open Space 7: Guest Eric Berger from Ars Technica
May 28, 2018 • 57 min
In my opinion, Eric Berger (aka @sciguyspace) is one of the top journalists working on stories about spaceflight, especially SpaceX, Blue Origins and NASA. Eric will join me live to answer your questions about the state of private and public space…
430: 353: Cosmological Horizons. The Past, Present and Future Limits of Astronomy with Dr. Paul Sutter
May 22, 2018 • 10 min
The observable Universe is finite, which means there are limits to what we can see, now and deep into the future. Dr. Paul Sutter joins Fraser to talk about the various cosmological horizons that surround us.Support Universe Today podcasts with Fraser Cain
429: Open Space 6: Live QA with Fraser Cain
May 21, 2018 • 60 min
It was just me this week, answering questions from the YouTube audience.Support Universe Today podcasts with Fraser Cain
428: QA 57: Is The Fermi Paradox Really a Paradox? And More…
May 17, 2018 • 19 min
In this week's questions show, the viewers try to suggest names for balloon rockets. Could live from Venus escaped to Earth? Is the Fermi Paradox really a paradox when we've only explored a little bit of the galaxy? And MoreSupport Universe Today podcasts…
427: 352: How Do Ion Engines Work? The Most Efficient Propulsion System Out There
May 15, 2018 • 9 min
People always ask me why we’re stuck with chemical rockets. Seriously, exploding a bunch of hydrogen or kerosene is the best we can do? Support Universe Today podcasts with Fraser Cain
426: Open Space 5: Chasing New Horizons with Alan Stern and David Grinspoon
May 14, 2018 • 61 min
In this week's live QA, Fraser is joined by Dr. Alan Stern, the Principal Investigator of New Horizons and Dr. David Grinspoon to talk about their new book.Support Universe Today podcasts with Fraser Cain
425: QA 56: Is Everything We See Long Dead? And More…
May 10, 2018 • 23 min
When we look out into space, are we really just seeing stars, planets and galaxies which are long dead, ghosts from eons ago? Can black holes consume dark matter? Can we repair Kepler and other dead satellites, and more.Support Universe Today podcasts…
424: 351: The Militarization of Space. Do We Really Need a Space Force?
May 8, 2018 • 11 min
President Trump recently called for the creation of a space force to deal with the future warfighting in space. It turns out, this already exists, space is already well militarized.Support Universe Today podcasts with Fraser Cain
423: Open Space 4: John Michael Godier
May 7, 2018 • 60 min
In this week's live QA, Fraser is joined by sci-fi author and futurist John Michael Godier.Support Universe Today podcasts with Fraser Cain
422: QA 55: Launching Rockets From Balloons? Featuring Emily Lakdawalla From The Planetary Society
May 4, 2018 • 22 min
In this week's questions show, Fraser wonders if lava tubes are stable, the best places to extract resources from the Solar System, and why the US has to pay for everyone's science.Support Universe Today podcasts with Fraser Cain
421: 350: Thanks To Gaia We Now Know Exactly Where 1.7 Billion Stars Are In The Milky Way
May 3, 2018 • 9 min
The European Space Agency just dropped an enormous amount of data onto the scientific community. The location and position of 1.7 billion stars in the Milky Way. Support Universe Today podcasts with Fraser Cain
420: Open Space 3: Live QA Featuring CodyDon Reeder from Cody’s Lab
Apr 26, 2018 • 61 min
In this week's live QA, Fraser talks to CodyDon Reeder, the host and self-taught chemist and mad scientist from the popular YouTube channel Cody's Lab.Support Universe Today podcasts with Fraser Cain
419: QA 54: Why Doesn’t NASA Mass Produce Spacecraft? and More…
Apr 26, 2018 • 15 min
In this week's episode, Fraser talks about how you can support the creators you love, why NASA doesn't make duplicates of its spacecraft, and what binoculars he's using.Support Universe Today podcasts with Fraser Cain
418: Open Space 2: Live QA Featuring Isaac Arthur
Apr 24, 2018 • 60 min
In this week's live QA, Fraser welcomes futurist Isaac Arthur to talk about a range of topics, from SpaceX to Breakthrough Starshot, and what we think about the state of sci-fi on TV.Support Universe Today podcasts with Fraser Cain
417: QA 53: How Many Planets Can We Detect? And More… Featuring Professor David Kipping
Apr 19, 2018 • 20 min
In this week's questions show, Fraser gets excited about the NIAC awards, considers how NASA will deal with a fully operational BFR, and a special guest answer from Professor David Kipping from Columbia University's Cool Worlds lab.Support Universe Today…
416: Open Space 1: Live QA on YouTube
Apr 18, 2018 • 60 min
Once a week I'll be opening up the livestream on my YouTube channel and taking questions from the audience, as well as inviting special guests to join me. I didn't think about turning into this into a podcast, so I apologize. Next time I'll be more…
415: 349: Farewell Kepler. Welcome TESS And The Quest To Find Earth 2.0
Apr 17, 2018 • 10 min
We’re now entering the final days for NASA’s Kepler Space Telescope. It’s running out of fuel and already crippled by the loss of its reaction wheels. In just a few months NASA will shut it down for good. That is sad, but don’t worry, NASA’s next planet…
414: QA 52: Could Satellites With Lasers To Clear Debris Be Weapons Too? And More…
Apr 12, 2018 • 13 min
In this week's questions show, Fraser explains how space debris hunting satellites could also be used as weapons, why his green screen is always set to Endor, and ways to find nearby places for stargazing.Support Universe Today podcasts with Fraser Cain
413: 348: Living Underground on Other Worlds. Exploring Lava Tubes
Apr 11, 2018 • 10 min
The Moon and Mars will probably be the first places in the Solar System that humanity will try to live after leaving the safety and security of Earth. But those worlds are still incredibly harsh environments, with no protection from radiation, little to…
412: QA 51: Could We See Ourselves in the Past? And more..
Mar 29, 2018 • 18 min
In this week's QA, I wonder if we could use the speed of light to see ourselves in the past, how the Mars rovers clean their solar panels, and if aliens would infect us with their bacteria and viruses.Support Universe Today podcasts with Fraser Cain
411: 347: Searching for Life on Europa? Going Under the Ice
Mar 27, 2018 • 12 min
We’re now learning that icy worlds seem to be the best places in Solar System where life could be hiding. Worlds like Europa and Enceladus, which have vast oceans of liquid water beneath a shell of water ice. Clearly we need to explore these worlds, to go…
410: QA 50: Can James Webb Find Megastructures? And More… Featuring Abby Harrison
Mar 22, 2018 • 20 min
In this week's questions show, I wonder if the James Webb Space Telescope will be able to find satellites around other stars, what my favorite sci-fi FTL method is, and why can't we see Mars as a bright object in the sky?Support Universe Today podcasts…
409: 346: Which Are The Real Pictures of Space? What’s a Photo and What’s An Illustration?
Mar 21, 2018 • 10 min
With modern computer graphics, it’s sometimes hard to know which is an actual photograph of space, and what’s an illustration or a 3D rendering. Some really fascinating discoveries don’t have a pretty picture to go along with them, so illustrations are…
408: QA 49: How Would We Drill Into Europa? And More…
Mar 15, 2018 • 23 min
In this week's questions show, I explain why I never get to the point, if we'll ever reach interstellar space, and how we'd get down below the ice sheet on Europa.Support Universe Today podcasts with Fraser Cain
407: 345: What Will It Take To Make Artificial Gravity? Surviving in Space Forever
Mar 14, 2018 • 12 min
If we want to live and work in space for long periods of time, we’ll need to conquer the lack of gravity and its effects on the human body. We’ll want to come up with some kind of artificial gravity. Futurists imagine huge rotating space stations, but…
406: QA 48: Is Falcon Heavy More Powerful Than Space Shuttle? And More…
Mar 9, 2018 • 25 min
In this week's QA, I compared apples to apples and look at the launch capability of the Falcon Heavy versus the Space Shuttle. The answer may surprise you. We also look at extracting energy from a black hole, and if launching satellites from the Earth's…
405: 344: What Are the Limits of Science? A Conversation with Dr. Paul Sutter
Mar 5, 2018 • 15 min
During our Iceland adventure, I had a chance to sit down with Dr. Paul Sutter and talk about the limits of science. Why a better version of the Planck Mission can't tell us anything else about the cosmic microwave background radiation. Support Universe…
404: QA 47: Starter Telescope Advice and More. Featuring Dr. Alan Stern from New Horizons
Mar 1, 2018 • 23 min
In this week's question show, I explain why I'm happy to answer questions, what first telescope people should get, and if we've ever seen a black hole ever. Also, stick around to the end, where Dr. Alan Stern, the principal investigator of New Horizons…
403: 343: NASA Wants To Bring A Chunk Of Comet Back To Earth.
Feb 27, 2018 • 11 min
NASA is going to decide between a comet sample return mission or a helicopter on Titan. Which mission should it be?Support Universe Today podcasts with Fraser Cain
402: QA 46 - Why Doesn’t NASA Cancel SLS? And more… Featuring Emma Osborne
Feb 22, 2018 • 23 min
In this week's QA, I answer the several related questions about why NASA doesn't just cancel the Space Launch System and give all their money to SpaceX. With special guest answerer Emma Osborne.Support Universe Today podcasts with Fraser Cain
401: 342: What Has The Curiosity Rover Discovered?
Feb 21, 2018 • 14 min
NASA’s Curiosity Rover has been exploring the surface of Mars for over 5 years now. What has it turned up?Support Universe Today podcasts with Fraser Cain
400: QA 45: Solving Mysteries At The Speed Of Light? And more… Featuring Dr. Paul Sutter
Feb 15, 2018 • 12 min
In this QA from Iceland, astrophysicist Dr. Paul Sutter steps in to tackle some of the more complicated cosmology and physics based questions from the audience. Did the Big Bang create the matter of the Universe, how close are we do discovering what dark…
399: 341: The Rocket Engines Carrying Us to Space. The SLS RS-25 (aka The Space Shuttle Main Engine)
Feb 13, 2018 • 12 min
There are few rockets more iconic than the RS-25, also known as the Space Shuttle main engine. Even though it’s been around in some form since the 1970s, it’s been improved and upgraded several times, making it the most efficient liquid fuel rocket engine…
398: QA 44: Am I Ruining Sci-Fi? and more
Feb 6, 2018 • 24 min
In this week's questions show, I talk about being wrong, why I'm such a buzz kill to sci-fi, and what I'd launch on a Falcon Heavy.Support Universe Today podcasts with Fraser Cain
397: 340: What Is The Flyby Anomaly? Why Spacecraft Aren’t Where They’re Supposed to Be
Feb 5, 2018 • 8 min
You might have heard of the recently solved Pioneer anomaly. But what about the flyby anomaly? The unexpected velocity change that happens during gravitational slingshots.Support Universe Today podcasts with Fraser Cain
396: QA 43: Will New Telescopes Challenge The Big Bang and More…
Feb 1, 2018 • 28 min
In this week's questions show, Fraser is excited to see the southern hemisphere night sky, considers how the next generation of telescopes will change our understanding of the Big Bang, and suggests what you should look at with a new telescope.Support…
395: 339 - What’ll It Take to Find Life? Searching the Universe for Biosignatures
Jan 28, 2018 • 10 min
When astronomers scan the atmospheres of other worlds, they’ll be looking for gases to confirm that yes, indeed, there’s life there. It turns out, this is actually pretty tough.Support Universe Today podcasts with Fraser Cain
394: QA 42: Where Can You Escape Time Dilation? And More…
Jan 23, 2018 • 21 min
In this week's questions show, Fraser wonders where you'd have to go in the Universe to minimize your time dilation, how to see Iridium Flares, how interferometry works, and more.Support Universe Today podcasts with Fraser Cain
393: 338 - Which Are The Real Photos of Spacecraft?
Jan 21, 2018 • 12 min
When we see images of space, it’s hard to know which are real images and which are artist illustrations.Support Universe Today podcasts with Fraser Cain
392: QA 41: Will We Ever Clear That Space Junk? and more…
Jan 11, 2018 • 22 min
In this week's questions show, Fraser wonders how we're ever going to clear all that space junk orbiting Earth, whether it's better to colonize Mars or Mercury, and can water worlds explain the Fermi Paradox?Support Universe Today podcasts with Fraser Cain
391: 337 - Life Beneath the Ice
Jan 4, 2018 • 11 min
Forget rocky worlds like Earth and Mars. New discoveries about icy worlds like Europa and Enceladus make them the ideal candidates for the search for life in the Universe. In fact there could be hundreds, or even thousands of times more worlds out there…
390: 336 - What Do We Do With Dead Spacecraft
Jan 2, 2018 • 11 min
We try to avoid thinking about it, but spacecraft are machines that break down and eventually fail. Some can last for years, others decades, but in the end they’ll be gone forever.Support Universe Today podcasts with Fraser Cain
389: QA 40: When Will the Big Rip Happen and more…
Dec 19, 2017 • 22 min
In this QA episode, Fraser wonders when the Big Rip might happen, could there be binary galaxies, what it would be like to live in higher gravity.Support Universe Today podcasts with Fraser Cain
388: 335 - Why Did Mars Lose Its Atmosphere?
Dec 15, 2017 • 8 min
Mars is in the spotlight now, as both SpaceX and NASA are preparing their long range plans to send humans to the Red Planet. But Mars is an inhospitable environment, especially because of its tenuous and poisonous atmosphere of carbon dioxide.Support…
387: 334 - Interstellar Asteroid
Dec 12, 2017 • 9 min
On October 25, 2017, astronomers from NASA’s Minor Planet Center sent out an announcement that they needed help confirming the trajectory of an interesting object.Support Universe Today podcasts with Fraser Cain
386: QA 39: Galactic Escape Velocity and More… Featuring Astronaut Terry Virts
Dec 10, 2017 • 22 min
In this week’s question show, Fraser explains why almost everything in the Solar System is spinning in the same direction, is there a limit to how massive black holes can get, and do galaxies have an escape velocity?Support Universe Today podcasts with…
385: 332 - Can We Protect Astronauts
Dec 6, 2017 • 12 min
Space is our future, but space is also a deadly place, with poisonous radiation and an increased risk of cancer. We’re protected here on Earth thanks to our planet’s magnetosphere, but is there a way to create an artificial magnetosphere and shield…
384: 333 - How Do Planets Shift Orbits
Dec 6, 2017 • 10 min
We once thought our Solar System was normal, average. How wrong we were, how varied the planetary systems are out there. It turns out, the migration of planets played a huge role in the Solar System we see today.Support Universe Today podcasts with Fraser…
383: QA 38: Measuring a Black Hole’s Spin and more. Featuring Andy Weir Author of the Martian
Dec 1, 2017 • 22 min
In this week’s question show, Fraser explains how astronomers measure the spin rate of black holes, other uses of gravitational slingshots, and why everyone is talking about Patreon.Support Universe Today podcasts with Fraser Cain
382: QA 37: Why Am I Such a SpaceX Hater (or Fanboy)? And More…
Nov 14, 2017 • 25 min
In this week’s question show, Fraser explains his thoughts on SpaceX, what he does for his regular job, and wonders if you could use a black hole to perform gravitational slingshots, whether planets could hide in Lagrange points, and growing trees on…
381: 331 - What Is Eternal Inflation
Nov 13, 2017 • 27 min
In order to get the large scale structure of the Universe we see today, cosmologists have proposed the idea of inflation, that the Universe expanded an enormous amount in the earliest moments. But if inflation really happened, then it has even stranger…
380: 330 - Going Back To The Moon
Nov 8, 2017 • 9 min
On October 5th, 2017, US Vice President Mike Pence announced that NASA is going back to the Moon. He didn’t provide any other details, just some kind of moonward directed space exploration. And it turns out they won’t be the only ones. The Moon is going…
379: QA 36: Growing Plants in Lunar Regolith? And More
Oct 30, 2017 • 22 min
In this week’s question show, Fraser wonders if we’ll be able to grow crops in lunar soil, if the Moon has been changing over time, and what title does Elon Musk get when he colonizes Mars.Support Universe Today podcasts with Fraser Cain
378: 329 - What Is An Electric Sail
Oct 24, 2017 • 10 min
We’re all familiar with the idea of solar sails to explore the Solar System, using the light pressure from the Sun. But there’s another propulsion system that could harness the power of the Sun, electric sails, and it’s a pretty exciting idea.Support…
377: 328 - Kilonova
Oct 20, 2017 • 9 min
Astronomers have made the groundbreaking detection of two neutron stars colliding in a galaxy 130 million light years away. They detected the gravitational waves AND the blast of radiation released from the collision, observing a kilonova for the first…
376: 327 - Where Do Comets Come From
Oct 19, 2017 • 10 min
Some comets orbit the Sun on a regular basis, but others come in from deep space, a region known as the Oort Cloud. What causes them to make this journey, and will we ever be able to explore the Oort Cloud?Support Universe Today podcasts with Fraser Cain
375: QA 35: Best Place for a Telescope? And More
Oct 17, 2017 • 19 min
In this week’s question show, Fraser wonders where would be the best place to put a really powerful telescope, why a kilonova is important, and what happens when brown dwarfs die.Support Universe Today podcasts with Fraser Cain
374: QA 34: Will Ice Protect Us From Radiation? And More
Oct 11, 2017 • 16 min
In this week’s question show, Fraser wonders if the Earth will get new moons, if dark energy is getting more diluted over time, and if the ice on Jupiter’s moons will protect us from its deadly radiation.Support Universe Today podcasts with Fraser Cain
373: 326 - SpaceX Goes All in On The Big Freaking Rocket
Oct 11, 2017 • 11 min
Elon Musk gave us an update on SpaceX’s plans to send humans to Mars, going all in on their new launch vehicle: the BFR.Support Universe Today podcasts with Fraser Cain
372: 325 - Deep Space Gateway
Sep 24, 2017 • 10 min
NASA is working on developing a space station in a cis-lunar orbit that will serve as the jumping off point to exploring the Solar System; it’s known as the Deep Space Gateway.Support Universe Today podcasts with Fraser Cain
371: QA 33: Should We Sweep the Moon? And More, Featuring Scott Manley
Sep 19, 2017 • 17 min
In this week’s question show, Fraser searches for the most energetic collisions in the Universe, whether we should vacuum up dust on the Moon, and are there supernovae that don’t create black holes.Support Universe Today podcasts with Fraser Cain
370: 324 - What Are Globular Clusters?
Sep 10, 2017 • 8 min
One of the most beautiful and scientifically interesting objects in space are the globular clusters, containing hundreds of thousands of stars. What are they and where did they come from?Support Universe Today podcasts with Fraser Cain
369: QA 32: Why Can’t James Webb Be Repaired? And More
Sep 8, 2017 • 19 min
In this week’s question show, Fraser explains why James Webb can’t be repaired if anything goes wrong, why we even need space telescopes in the first place, and his favorite methods of zipping around the Solar System.Support Universe Today podcasts with…
368: 323 - Intermediate Mass Black Hole Discovered
Sep 7, 2017 • 8 min
Astronomers have been searching for mid-weight black holes, and now they’ve found one, right here in the Milky Way.Support Universe Today podcasts with Fraser Cain
367: 317 - What Missions Have Been Cancelled
Sep 5, 2017 • 11 min
Over the past decades, many missions have been canceled. What alternative history could we have had if these projects had gone through?Support Universe Today podcasts with Fraser Cain
366: 318 - Where Are The Voyagers Now
Sep 5, 2017 • 11 min
We’re nearly at the 40th anniversary of the launch of NASA’s Voyager spacecraft. And they’re still going! Let’s remember these amazing missions.Support Universe Today podcasts with Fraser Cain
365: 319 - What Are The Van Allen Belts
Sep 5, 2017 • 10 min
The Van Allen Belts surround the Earth with deadly radiation. What can we do to get past them and escape into deep space?Support Universe Today podcasts with Fraser Cain
364: 321 - Rise Of The Supertelescopes Part 2
Sep 5, 2017 • 10 min
In part 2 of this series, we look at the supertelescopes heading to space in the next few decades.Support Universe Today podcasts with Fraser Cain
363: 320 - Rise Of The Supertelescopes Part 1
Sep 5, 2017 • 12 min
Astronomy is about to get much much more exciting, with a whole new class of enormous telescopes developed on Earth and in space. How much more powerful? What will we be able to see?Support Universe Today podcasts with Fraser Cain
362: 322 - Supermassive Black Holes Or Galaxies
Sep 5, 2017 • 11 min
It’s a mystery that’s puzzled astronomers for years. Which came first, supermassive black holes or the galaxies that surround them?Support Universe Today podcasts with Fraser Cain
361: QA 31: Is Contacting Aliens Our Worst Mistake? And More
Sep 4, 2017 • 15 min
In this week’s question show, Fraser wonders if science is the best tool we’ve got, if communicating with aliens is a wise idea, and how he feels about people falling asleep to his videos.Support Universe Today podcasts with Fraser Cain
360: QA 30: Is the Earth Increasing or Decreasing in Mass? And More
Aug 28, 2017 • 17 min
In this week’s question show, Fraser answers questions about dark matter black holes, the magnetospheres of exoplanets and whether the Earth is increasing or decreasing in mass.Support Universe Today podcasts with Fraser Cain
359: QA 29: Are Generational Ships Possible? And more…
Aug 4, 2017 • 16 min
In this week’s QA, Fraser worries about artificial super intelligence, getting flung out of the Milky Way.Support Universe Today podcasts with Fraser Cain
358: 313 - What Happens During a Solar Eclipse
Jul 29, 2017 • 8 min
North America is preparing itself for the August Eclipse, so we thought it would be a good time to explain how eclipses work and what’s going on as the Moon briefly destroys the Sun.Support Universe Today podcasts with Fraser Cain
357: 315 - How Do We Protect Earth From Asteroids Part 2
Jul 29, 2017 • 10 min
Once we know where all the dangerous asteroids are, how do we prevent one from hitting Earth?Support Universe Today podcasts with Fraser Cain
356: 314 - How Do We Protect Earth From Asteroids Part 1
Jul 29, 2017 • 10 min
We know we live in a cosmic shooting gallery. Who’s got their eyes on the sky, and how will we prevent an asteroid strike if we find a dangerous space rock?Support Universe Today podcasts with Fraser Cain
355: 316 - Where Will The Space Launch System Take Us
Jul 29, 2017 • 10 min
NASA is working on the most powerful rocket ever built: the Space Launch System. What could it be used for to explore the Solar System?Support Universe Today podcasts with Fraser Cain
354: QA 28: Dealing with Conspiracy Theories and More…
Jul 24, 2017 • 22 min
In this week’s questions show, Fraser explains how the Apollo astronauts got past the Van Allen Belt, bulking up brown dwarfs, and how to deal with conspiracy theories. Support Universe Today podcasts with Fraser Cain
353: QA 27: Asteroid as a Space Ship and more…
Jul 16, 2017 • 20 min
In this week’s QA, Fraser talks using an asteroid for a space ship, colonizing the whole galaxy, and whether you’ve got dark matter all around you.Support Universe Today podcasts with Fraser Cain
352: 312 - Why Haven’t We Gone Anywhere
Jul 6, 2017 • 11 min
It’s been half a century since humans first set foot on the Moon? Why haven’t we gone back? Will we ever go anywhere interesting in space?Support Universe Today podcasts with Fraser Cain
351: QA 26: Faster Than Light Into the Past?
Jul 5, 2017 • 18 min
In this week’s QA, Fraser talks about black holes consuming dark matter, if traveling faster than light moves you backwards in time, and what those big pools under rockets are for.Support Universe Today podcasts with Fraser Cain
350: 311 - Is Time To Go Back To Uranus And Neptune
Jun 29, 2017 • 9 min
We’ve only seen Uranus and Neptune one time up close. There are now some mission ideas in the works that might take us back.Support Universe Today podcasts with Fraser Cain
349: 310 - Is Human Hibernation Possible
Jun 21, 2017 • 9 min
We know trips in space will take a long time. Can we go to sleep for the journey and then wake up when we arrive?Support Universe Today podcasts with Fraser Cain
348: QA 25: Is It Wrong to Dismantle Planets and More…
Jun 21, 2017 • 23 min
In this week’s QA, Fraser talks about how spacecraft deal with orbital debris, the ethics of dismantling planets, the age of life in the Universe. With special guest answerer, Dr. Paul Matt Sutter.Support Universe Today podcasts with Fraser Cain
347: 309 - Seeing Gravity
Jun 18, 2017 • 10 min
We’ve now had multiple detections of gravitational waves, opening up a whole new field: gravitational astronomy. We talk about the detections made so far, and how we can see the Universe in a whole new way.Support Universe Today podcasts with Fraser Cain
346: 308 - Flying Into The Sun
Jun 13, 2017 • 9 min
NASA is planning a mission to get as close as possible as we can to the Sun and reveal its mysteries.Support Universe Today podcasts with Fraser Cain
345: QA 24: Are Aliens Testing Us and More…
Jun 12, 2017 • 17 min
In this week’s QA, Fraser talks about how aliens might be testing our morality, traveling faster than light to go back in time, and alternatives to the Big Bang Theory.Support Universe Today podcasts with Fraser Cain
344: 307 - Construction Tips From A Type 2 Engineer Part 1
Jun 9, 2017 • 10 min
Fraser Cain and Isaac Arthur team up again to bring you another epic collaboration. This time, it’s a 2-part series of construction tips from an engineer from a Type 2 Civilization. In this episode, we harvest helium 3, mine the asteroids, and rearrange…
343: QA 23: Black Hole Lagrange Points and More…
Jun 6, 2017 • 16 min
In this week’s QA, Fraser talks about capturing comets, finding Lagrange Points around black holes, and what would happen if you crashed a whole lot of oxygen into the Sun.Support Universe Today podcasts with Fraser Cain
342: 306 - How Do We Know The Universe Is Flat
Jun 6, 2017 • 8 min
Cosmologists tell us that the Universe is flat. It sure feels like 3-dimensions. What does this even mean, and how do we know it’s true?Support Universe Today podcasts with Fraser Cain
341: 305 - Can We Own Space
Jun 1, 2017 • 8 min
Owning land here on Earth is nice and legal. But what about a plot of land on the Moon or Mars? When can I buy some ice on Europa?Support Universe Today podcasts with Fraser Cain
340: QA 22: China’s Human Space Exploration and More…
May 30, 2017 • 19 min
In this week’s QA, Fraser talks about the Chinese space exploration efforts, rotating space stations with artificial gravity and why he’s always standing in a forest.Support Universe Today podcasts with Fraser Cain
339: 304 - What Was Cosmic Inflation
May 30, 2017 • 8 min
The Big Bang was a tremendous theory, but it had a few problems. In 1980 Alan Guth developed the revolutionary theory of cosmic inflation, and astronomers have been looking for evidence to this day.Support Universe Today podcasts with Fraser Cain
338: 303 - How Far Away Is Fusion Power
May 27, 2017 • 9 min
The Sun uses its enormous mass to crush hydrogen into fusion, releasing enormous energy. How long will it be until we’ve got this energy source for Earth?Support Universe Today podcasts with Fraser Cain
337: QA 21: How Could We Destroy a Galaxy and More…
May 22, 2017 • 19 min
In this week’s QA, Fraser proposes ways to destroy the Milky Way, wonders what might happen if a warp drive ship passes through a planet, and how you could keep a galaxy alive forever.Support Universe Today podcasts with Fraser Cain
336: 302 - The Mars Project
May 22, 2017 • 11 min
In a special two part episode, Fraser collaborates with space historian Amy Shira Teitel at Vintage Space to investigate what spaceflight advances could have happened. Amy looks at the lost Apollo Missions, while Fraser talks about Werhner Von Braun’s…
335: 301 - Are There Dark Matter Galaxies
May 20, 2017 • 9 min
We know there’s dark matter, and there are galaxies, but are there galaxies entirely made up of dark matter? Astronomer Sarah Pearson joins Fraser to talk about what’s out there.Support Universe Today podcasts with Fraser Cain
334: 300 - How Fast Are Stars Moving
May 9, 2017 • 11 min
The stars look static in the sky, but are they moving? How fast, and how do we know? What events can make them move faster, and how can humans make them move?Support Universe Today podcasts with Fraser Cain
333: QA 20: Going Skydiving on Mars and More…
May 8, 2017 • 20 min
In this week's QA, Fraser contemplates the horror of advertising in space, setting off nukes to counteract global warming, and what it would be like to go skydiving on Mars.Support Universe Today podcasts with Fraser Cain
332: 299 - Why Do Rockets Need Stages
May 3, 2017 • 11 min
Support Universe Today podcasts with Fraser Cain
331: QA 19: Can Dark Matter Be Dyson Spheres and More…
May 2, 2017 • 15 min
In this QA, Fraser wonders how Earth would react if aliens colonized Mars, is it ethical to seed Enceladus with life, and if the total mass of the Universe has changed.Support Universe Today podcasts with Fraser Cain
330: 298 - What Are Fast Radio Bursts
Apr 26, 2017 • 11 min
Support Universe Today podcasts with Fraser Cain
329: QA 18: Best Place For a Mass Driver and More…
Apr 20, 2017 • 18 min
In this week's QA, Fraser suggests some good locations for a Mass Driver launcher, how the laws of physics would be different in a different universe, and what it would take to throw a supermassive black hole out of its galaxy.Support Universe Today…
328: 297 - Do I Believe In UFOs
Apr 18, 2017 • 9 min
Support Universe Today podcasts with Fraser Cain
327: 296 - Chemicals For Life Found On Enceladus
Apr 15, 2017 • 7 min
Support Universe Today podcasts with Fraser Cain
326: QA 17: A Planet Inside a Star and More…
Apr 11, 2017 • 19 min
In this week's questions show, Fraser tries again to explain why the Universe has no center, if there's any evidence for intelligent design, and why we don't have drones exploring other worlds.Support Universe Today podcasts with Fraser Cain
325: 295 - Space X Just Reused A Rocket
Apr 11, 2017 • 10 min
Support Universe Today podcasts with Fraser Cain
324: 294 - What About A Mission To Titan
Mar 25, 2017 • 9 min
Support Universe Today podcasts with Fraser Cain
323: 293 - Why Doesnt Earth Have Rings
Mar 22, 2017 • 8 min
Support Universe Today podcasts with Fraser Cain
322: QA 16: The Hazards of Antimatter Fuel and More…
Mar 21, 2017 • 17 min
In this week's QA, Fraser answers why antimatter is the perfect fuel source, and why the evidence of ancient civilizations won't entirely be hidden by plate tectonics.Support Universe Today podcasts with Fraser Cain
321: 292 - Do We Live In A Hologram
Mar 17, 2017 • 14 min
Support Universe Today podcasts with Fraser Cain
320: 291 - What’s On the Surface Of Venus
Mar 14, 2017 • 13 min
Support Universe Today podcasts with Fraser Cain
319: QA 15: What’s a Type IV Civilization and More…
Mar 13, 2017 • 18 min
In this week's question show, Fraser extends the Kardashev Scale one more notch, urges everyone to see the Milky Way before they die, and looks for actual pictures of satellites in space.Support Universe Today podcasts with Fraser Cain
318: 290 - What Did Cassini Teach Us
Mar 8, 2017 • 10 min
Support Universe Today podcasts with Fraser Cain
317: QA 14: Why Doesn’t the Earth Implode and More…
Mar 7, 2017 • 21 min
In our newest questions show, we answer your questions about black hole rotation, what stops the Earth from imploding, and why Fraser is part of massive Sputnik coverups.Support Universe Today podcasts with Fraser Cain
316: 289 - Seven New Earth Sized Worlds Discovered
Feb 25, 2017 • 7 min
Support Universe Today podcasts with Fraser Cain
315: 288 - Can We Launch Nuclear Waste Into The Sun
Feb 9, 2017 • 9 min
Support Universe Today podcasts with Fraser Cain
314: QA 13: Where Could We Hide From an Asteroid Strike and More…
Jan 27, 2017 • 17 min
In our latest QA, Fraser tackles hiding places from asteroid strikes, merging Earths, and the fastest way we could explore Planet 9. If we ever actually find it.Support Universe Today podcasts with Fraser Cain
313: 287 - Whats That Bright Star In The Sky
Jan 26, 2017 • 10 min
Support Universe Today podcasts with Fraser Cain
312: 286 - What Was The Carrington Event
Jan 17, 2017 • 7 min
Support Universe Today podcasts with Fraser Cain
311: 285 - Could We Marsiform Ourselves
Jan 10, 2017 • 8 min
Support Universe Today podcasts with Fraser Cain
310: QA 12: Does the Universe Have a Preferred Spin and More…
Jan 9, 2017 • 13 min
This week's question show includes the visible versus the visitable Universe, and why don't black holes increase in mass as virtual particles fall into them? Does the Universe have a preferred spin direction?Support Universe Today podcasts with Fraser Cain
309: 284 - How Can An Infinite Universe Start From A Singularity
Dec 6, 2016 • 7 min
Support Universe Today podcasts with Fraser Cain
308: 283 - What Are Multiple Star Systems
Nov 29, 2016 • 7 min
Support Universe Today podcasts with Fraser Cain
307: QA 11: Why the ISS Doesn’t Rotate and More…
Nov 28, 2016 • 12 min
In this week's question show, our viewers want to know why the ISS doesn't rotate, and if you can detect a black hole without an accretion disc. Also, why are we always shooting our videos in a forest?Support Universe Today podcasts with Fraser Cain
306: 282 - What If We Do Find Aliens
Nov 24, 2016 • 7 min
Support Universe Today podcasts with Fraser Cain
305: 281 - Is There Life On Mars
Nov 22, 2016 • 11 min
Support Universe Today podcasts with Fraser Cain
304: QA 10: Living on a Cube Planet and More…
Nov 22, 2016 • 12 min
In this week's questions show, Fraser answers whether black holes are really black, who's going to win the next space race, and whether we can weaponize asteroids.Support Universe Today podcasts with Fraser Cain
303: 280 - What Is The Interplanetary Transport Network
Nov 15, 2016 • 7 min
Support Universe Today podcasts with Fraser Cain
302: QA 9: Jet Planes in Space and More…
Nov 13, 2016 • 13 min
In this week's QA, Fraser answers questions about why jet planes can't fly into space, what does he mean when he says "the Universe", and why we need to just say "I don't know".Support Universe Today podcasts with Fraser Cain
301: 279 - When Was The First Light In The Universe
Nov 4, 2016 • 6 min
Support Universe Today podcasts with Fraser Cain
300: QA 8: Life with Quasars and More…
Nov 1, 2016 • 10 min
In this questions show, we wonder when we’ll finally merge our brains with computers, is the Death Star a Dyson Sphere? And whether we could live in lava tubes.Support Universe Today podcasts with Fraser Cain
299: 278 - How Many Galaxies Are There In The Universe
Nov 1, 2016 • 7 min
Support Universe Today podcasts with Fraser Cain
298: 277 - What Is The Mars Curse
Oct 27, 2016 • 6 min
Support Universe Today podcasts with Fraser Cain
297: 276 - Can We Get Space Madness
Oct 25, 2016 • 6 min
Support Universe Today podcasts with Fraser Cain
296: QA 7: Joining the Galactic Federation and More…
Oct 24, 2016 • 11 min
In this week’s QA episode, we wonder if there’s a galactic federation out there, keeping us in a cosmic zoo. What’s the ideal length of our episodes, and when will the space wars begin?Support Universe Today podcasts with Fraser Cain
295: 275 - What Is A Nova
Oct 20, 2016 • 5 min
Support Universe Today podcasts with Fraser Cain
294: 274 - What Are Cosmic Voids
Oct 18, 2016 • 5 min
Support Universe Today podcasts with Fraser Cain
293: QA 6: Surfing the Lagrange Points and More…
Oct 16, 2016 • 13 min
Can you use Lagrange Points to easily travel around the Solar System? Could we use a giant slingshot to just launch objects into space? Fraser answers these questions and more.Support Universe Today podcasts with Fraser Cain
292: 273 - Shouldnt We Fix The Earth First
Oct 12, 2016 • 5 min
Support Universe Today podcasts with Fraser Cain
291: 272 - How Do Supernovae Fail
Oct 10, 2016 • 5 min
Support Universe Today podcasts with Fraser Cain
290: QA 5: Retrieving Life From Europa and More…
Oct 9, 2016 • 13 min
In this questions show, Fraser explains why it might have gotten much easier to bring samples of life back from Europa. Oh, and why he’s always saying “Milkdromeda”.Support Universe Today podcasts with Fraser Cain
289: 271 - Where Are All The Alien Robots
Oct 6, 2016 • 7 min
Support Universe Today podcasts with Fraser Cain
288: 270 - What Happens When Black Holes Collide
Oct 4, 2016 • 6 min
Support Universe Today podcasts with Fraser Cain
287: QA 4: Does Fraser Really Believe This Stuff?
Oct 2, 2016 • 11 min
In this week’s question show, we find out if Fraser really believes all this “space” stuff he’s always talking about, as well as what could be accomplished if you could just go 1% the speed of light.Support Universe Today podcasts with Fraser Cain
286: 246 - When Can I Die On Mars
Oct 1, 2016 • 6 min
Support Universe Today podcasts with Fraser Cain
285: 269 - Where Can I Take Off My Space Helmet
Sep 29, 2016 • 7 min
Support Universe Today podcasts with Fraser Cain
284: QA 1: Black Holes
Sep 27, 2016 • 14 min
You’ve got questions, I’ve got answers. In this new segment, I answer your questions about space and astronomy. Well mostly, it’s about black holes. Questions and more questions about black holes.Support Universe Today podcasts with Fraser Cain
283: 268 - What Is Absolute Zero
Sep 25, 2016 • 6 min
Support Universe Today podcasts with Fraser Cain
282: QA 3: Running out of Hydrogen and More…
Sep 23, 2016 • 9 min
More questions from viewers. This time we consider different ways to clean up space debris, and Fraser is schooled on how to pronounce Euler.Support Universe Today podcasts with Fraser Cain
281: 267 - How Can We Save The Sun
Sep 23, 2016 • 6 min
Support Universe Today podcasts with Fraser Cain
280: QA 2: Seeing the Earth from Mars and More…
Sep 19, 2016 • 9 min
Could you see the Earth from Mars? Do nuclear bombs work in space? Would binary stars crash into each other?Support Universe Today podcasts with Fraser Cain
279: 266 - Does Our Galaxy Have A Habitable Zone
Sep 19, 2016 • 5 min
Support Universe Today podcasts with Fraser Cain
278: 265 - Are We Living In A Simulation
Sep 8, 2016 • 7 min
Support Universe Today podcasts with Fraser Cain
277: 264 - How Cold Are Black Holes
Sep 2, 2016 • 6 min
Support Universe Today podcasts with Fraser Cain
276: 263 - What Are The Lagrange Points
Aug 26, 2016 • 7 min
Support Universe Today podcasts with Fraser Cain
275: 262 - Will Our Black Hole Eat The Milky Way
Aug 15, 2016 • 7 min
Support Universe Today podcasts with Fraser Cain
274: 261 - How Close Can Moons Orbit
Aug 13, 2016 • 6 min
Support Universe Today podcasts with Fraser Cain
273: 260 - What Are Magnetars
Aug 9, 2016 • 6 min
Support Universe Today podcasts with Fraser Cain
272: 259 - Why Is Uranus On Its Side
Aug 5, 2016 • 6 min
Support Universe Today podcasts with Fraser Cain
271: 258 - What Are Quark Stars
Jul 25, 2016 • 5 min
Support Universe Today podcasts with Fraser Cain
270: 257 - How Big Is The Great Red Spot
Jul 21, 2016 • 5 min
Support Universe Today podcasts with Fraser Cain
269: 256 - What Does The Universe Do When Were Not Looking
Jul 19, 2016 • 7 min
Support Universe Today podcasts with Fraser Cain
268: 255 - How Fast Can Stars Spin
Jul 11, 2016 • 6 min
Support Universe Today podcasts with Fraser Cain
267: 254 - What If Earth Stopped Orbiting The Sun
Jul 8, 2016 • 4 min
Support Universe Today podcasts with Fraser Cain
266: 253 - When Will We Be A Type III Civilization
Jul 5, 2016 • 6 min
Support Universe Today podcasts with Fraser Cain
265: 252 - What Is Time Dilation
Jun 30, 2016 • 6 min
Support Universe Today podcasts with Fraser Cain
264: 251 - What Are Virtual Particles
Jun 14, 2016 • 12 min
Support Universe Today podcasts with Fraser Cain
263: 250 - Are There Antimatter Galaxies
Jun 9, 2016 • 5 min
Support Universe Today podcasts with Fraser Cain
262: 249 - What Are Planetary Transits
Jun 2, 2016 • 6 min
Support Universe Today podcasts with Fraser Cain
261: 248 - Can Stars Be Cold
May 26, 2016 • 4 min
Support Universe Today podcasts with Fraser Cain
260: 247 - How Far Can You Travel
May 23, 2016 • 6 min
Support Universe Today podcasts with Fraser Cain
259: 245 - Can We Really Get To Alpha Centauri
May 9, 2016 • 6 min
Support Universe Today podcasts with Fraser Cain
258: 244 - How Do We Know Theres A Planet 9
Apr 22, 2016 • 5 min
Support Universe Today podcasts with Fraser Cain
257: 243 - Whats Outside The Universe
Apr 19, 2016 • 5 min
Support Universe Today podcasts with Fraser Cain
256: 242 - Are There Storms On The Moon
Apr 14, 2016 • 5 min
Support Universe Today podcasts with Fraser Cain
255: 241 - When Will Earth Lock To The Moon
Apr 11, 2016 • 4 min
Support Universe Today podcasts with Fraser Cain
254: 240 - How Long Does It Take To Get To Jupiter
Apr 5, 2016 • 5 min
Support Universe Today podcasts with Fraser Cain
253: 239 - Do We Live In A Special Part Of The Universe
Apr 1, 2016 • 5 min
Support Universe Today podcasts with Fraser Cain
252: 237 - What Are The Different Kinds Of Supernovae
Mar 18, 2016 • 5 min
Support Universe Today podcasts with Fraser Cain
251: 238 - Where Is The Closest Black Hole
Mar 18, 2016 • 5 min
Support Universe Today podcasts with Fraser Cain
250: 236 - Was The Big Bang Just A Black Hole
Feb 25, 2016 • 11 min
Support Universe Today podcasts with Fraser Cain
248: 234 - What Are Alien Megastructures
Feb 25, 2016 • 6 min
Support Universe Today podcasts with Fraser Cain
247: 233 - What Is The Higgs Boson
Feb 25, 2016 • 6 min
Support Universe Today podcasts with Fraser Cain
249: 235 - Why Do Planets Have Rings
Feb 25, 2016 • 5 min
Support Universe Today podcasts with Fraser Cain
246: 232 - What Are Wormholes
Dec 6, 2015 • 6 min
Support Universe Today podcasts with Fraser Cain
245: 231 - Should We Go to Mars or Back to the Moon
Dec 6, 2015 • 6 min
Support Universe Today podcasts with Fraser Cain
238: 224 - Will We Contaminate Europa
Dec 6, 2015 • 7 min
Support Universe Today podcasts with Fraser Cain
242: 228 - Why Do Red Dwarfs Live So Long
Dec 6, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
244: 230 - What Does It Take To Be An Astronaut
Dec 6, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
240: 226 - What Is Tidal Locking
Dec 6, 2015 • 3 min
Support Universe Today podcasts with Fraser Cain
241: 227 - Did We Need The Moon For Life
Dec 6, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
243: 229 - What If We Dug A Tunnel Through The Earth
Dec 6, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
239: 225 - Why Arent There Eclipses Every Month
Dec 6, 2015 • 3 min
Support Universe Today podcasts with Fraser Cain
236: 222 - Do We Really Need Rockets To Go To Space
Nov 8, 2015 • 6 min
Support Universe Today podcasts with Fraser Cain
235: 221 - What Isthe Black Hole Information Paradox
Nov 8, 2015 • 6 min
Support Universe Today podcasts with Fraser Cain
237: 223 - How Long Is A Day On Earth
Nov 8, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
234: 220 - Will Minds Appear In The Cosmos
Oct 26, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
232: 218 - Why Do Red Giants Expand
Oct 26, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
233: 219 - Is The Universe Perfect For Life
Oct 26, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
231: 217 - How Are Galaxies Moving Away Faster Than Light
Oct 26, 2015 • 3 min
Support Universe Today podcasts with Fraser Cain
230: 216 - What Are White Holes
Oct 26, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
228: 214 - Can You Kill A Star With Iron
Oct 7, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
226: 212 - What Was The Wow Signal
Oct 7, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
229: 215 - Is Jupiter Our Friend Or Enemy
Oct 7, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
227: 213 - Is The Universe Dying
Oct 7, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
225: 211 - Could We Terraforma Black Hole
Sep 22, 2015 • 6 min
Support Universe Today podcasts with Fraser Cain
223: 209 - Will the Big Bang Go Backwards
Sep 22, 2015 • 6 min
Support Universe Today podcasts with Fraser Cain
222: 208 - What Do Other Planets Sound Like
Sep 22, 2015 • 6 min
Support Universe Today podcasts with Fraser Cain
224: 210 - Could We Terraformthe Sun
Sep 22, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
221: 207 - What Did We Learn About Pluto
Sep 22, 2015 • 6 min
Support Universe Today podcasts with Fraser Cain
220: 205 - How Do Stars Go Rogue
Sep 3, 2015 • 3 min
Support Universe Today podcasts with Fraser Cain
219: 206 - Are Martian Dust Storms Dangerous
Sep 3, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
218: 195 - Why Dont We Send Probes Up In The Solar System
Aug 14, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
214: 201 - Could We Make Artificial Gravity
Aug 14, 2015 • 6 min
Support Universe Today podcasts with Fraser Cain
211: 198 - Whats This Ridge On Iapetus
Aug 14, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
205: 191 - Will We Ever Reach Another Star
Aug 14, 2015 • 6 min
Support Universe Today podcasts with Fraser Cain
216: 203 - how Massive Can Black Holes Get
Aug 14, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
203: 189 - When Will We Find Another Earth
Aug 14, 2015 • 6 min
Support Universe Today podcasts with Fraser Cain
217: 204 - Why Is It Tough To Land On A Comet
Aug 14, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
207: 193 - how Do Astronauts Avoid Debris
Aug 14, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
201: 187 - How Low Can You Orbit
Aug 14, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
212: 199 - What If A Black Hole Met An Antimatter Black Hole
Aug 14, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
209: 196 - How Fast Is Gravity
Aug 14, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
204: 190 - What Are The Biggest Mysteries In Astronomy
Aug 14, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
208: 194 - Could We Terraform The Moon
Aug 14, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
206: 192 - What Is The Habitable Zone
Aug 14, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
202: 188 - Do Black Holes Compress Forever
Aug 14, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
215: 202 - could We Terraform Jupiter
Aug 14, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
210: 197 - How Could We Destroy The Moon
Aug 14, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
213: 200 - What About A Mission To Europa
Aug 14, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
198: 184 - Would We See The Aliens Coming
Aug 14, 2015 • 6 min
Support Universe Today podcasts with Fraser Cain
199: 185 - How Do Galaxies Die
Aug 14, 2015 • 3 min
Support Universe Today podcasts with Fraser Cain
200: 186 - What Are Gravitational Waves_mp 3
Aug 14, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
195: 181 - How Bad Can Solar Storms Get
Jun 2, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
181: 167 - How Dense Is The Asteroid Belt
Jun 2, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
179: 165 - Is The Universe Finite Or Infinite
Jun 2, 2015 • 6 min
Support Universe Today podcasts with Fraser Cain
180: 166 - Will The Universe Run Out Of Energy
Jun 2, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
193: 179 - Could We Live On Jupiter
Jun 2, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
182: 168 - How Can Black Holes Shine
Jun 2, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
183: 169 - How Quickly Does A Supernova Happen
Jun 2, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
196: 182 - How Long Will Our Spacecraft Survive
Jun 2, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
186: 172 - Is There A Mirror Universe
Jun 2, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
189: 175 - Why Cant We See The Center Of The Milky Way
Jun 2, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
187: 173 - Am I Being Watched From Space
Jun 2, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
188: 174 - Do Astronauts Drink Their Pee
Jun 2, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
192: 178 - What Shape Is The Universe
Jun 2, 2015 • 6 min
Support Universe Today podcasts with Fraser Cain
191: 177 - What Is The Moons Real Name
Jun 2, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
197: 183 - What Was Here Before The Solar System
Jun 2, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
190: 176 - What Animals Have Been To Space
Jun 2, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
194: 180 - Could You Put A Black Hole In Your Pocket
Jun 2, 2015 • 3 min
Support Universe Today podcasts with Fraser Cain
185: 171 - Does The Solar System Line Up With The Milky Way
Jun 2, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
184: 170 - How Do Black Holes Evaporate
Jun 2, 2015 • 3 min
Support Universe Today podcasts with Fraser Cain
177: 163 - Could The Death Star Destroy A Planet
Mar 25, 2015 • 6 min
Support Universe Today podcasts with Fraser Cain
174: 160 - How Long Does It Take To Get To Pluto
Mar 25, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
176: 162 - How Do We Know Dark Energy Exists
Mar 25, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
178: 164 - How Could You Capture An Asteroid
Mar 25, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
175: 161 - How Do We Know Dark Matter Exists
Mar 25, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
172: 153 - Where Did The Big Bang Happen
Mar 3, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
171: 154 - Are Astronauts Really Weightless
Mar 3, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
166: 159 - How Far Back Are We Looking In Time
Mar 3, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
167: 158 - Why Dont We Search For Different Life
Mar 3, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
173: 152 - How Fast Is The Universe Expanding
Mar 3, 2015 • 2 min
Support Universe Today podcasts with Fraser Cain
169: 156 - Could There Be Another Planet Behind The Sun
Mar 3, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
168: 157 - Could The Milky Way Become A Quasar
Mar 3, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
170: 155 - Why Does The Moon Look So Big Tonight
Mar 3, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
164: 137 - Why Is Venus So Horrible
Feb 18, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
165: 141 - What Is The Biggest Thing In The Universe
Feb 18, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
161: 140 - What Will We Never See
Feb 18, 2015 • 6 min
Support Universe Today podcasts with Fraser Cain
153: 149 - What’s Happening In The Universe Right Now
Feb 18, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
151: 150 - Is Everything Actually Shrinking
Feb 18, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
158: 144 - Are Gamma Ray Bursts Dangerous
Feb 18, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
162: 139 - How Many Stars Did It Take To Make Us
Feb 18, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
159: 143 - Will We Mine Asteroids
Feb 18, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
163: 138 - How Do We Know How Old Everything Is
Feb 18, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
152: 151 - What Is Gravitational Lensing
Feb 18, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
155: 147 - Why Is Andromeda Coming Towards Us
Feb 18, 2015 • 6 min
Support Universe Today podcasts with Fraser Cain
156: 146 - Are Aliens Watching Old Tv Shows
Feb 18, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
154: 148 - How Do Planets Go Rogue
Feb 18, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
160: 142 - How Much Water Would Extinguish The Sun_mp 3
Feb 18, 2015 • 3 min
Support Universe Today podcasts with Fraser Cain
157: 145 - What Causes The Northern Lights
Feb 18, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
150: 133 - What Is The Smallest Star
Feb 17, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
144: 135 - What Does Space Really Look Like
Feb 12, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
148: 130 - Is Phobos Doomed
Feb 12, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
145: 134 - How Do We Measure Distance In The Universe
Feb 12, 2015 • 5 min
Support Universe Today podcasts with Fraser Cain
146: 132 - What Came Before The Big Bang
Feb 12, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
149: 129 - How Quickly Do Black Holes Form
Feb 12, 2015 • 3 min
Support Universe Today podcasts with Fraser Cain
147: 131 - How Are Energy And Matter The Same
Feb 12, 2015 • 3 min
Support Universe Today podcasts with Fraser Cain
143: 136 - Why Is Space Black
Feb 12, 2015 • 4 min
Support Universe Today podcasts with Fraser Cain
142: 127 - What’s Causing The Universe To Expand
Feb 10, 2015 • 3 min
Support Universe Today podcasts with Fraser Cain
141: 128 - Where’s All The Antimatter
Feb 10, 2015 • 3 min
Support Universe Today podcasts with Fraser Cain
140: 115 - What Time Is It In The Universe
Nov 17, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
132: 119 - .Could A Planet Be As Big As A Star
Nov 17, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
135: 122 - What Strange Places Are Habitable
Nov 17, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
131: 118 - .What Does The Earth Look Like From The Moon
Nov 17, 2014 • 2 min
Support Universe Today podcasts with Fraser Cain
136: 123 - How Big Is The Big Dipper
Nov 17, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
133: 120 - What Would A Black Hole Look Like
Nov 17, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
129: 116 - What Would It Be Like To Fall Into A Black Hole
Nov 17, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
139: 126 - Why Doesnt The Sun Steal The Moon
Nov 17, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
138: 125 - When Did The First Stars Form
Nov 17, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
130: 117 - What Part Of The Milky Way Can We See
Nov 17, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
137: 124 - How Does A Rocket Work
Nov 17, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
134: 121 - Why Cant We See The Big Bang
Nov 17, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
124: 110 - How Big Is The Universe
Aug 18, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
126: 112 - How Do The Tides Work
Aug 18, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
122: 108 - What Are Comet Tails
Aug 18, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
119: 105 - How Do We Terraform Mars
Aug 18, 2014 • 2 min
Support Universe Today podcasts with Fraser Cain
127: 113 - What Is Nothing
Aug 18, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
123: 109 - Are All The Stars Really Dead
Aug 18, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
125: 111 - How Can We Clean Up That Space Junk
Aug 18, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
121: 107 - How Do Gravitational Slingshots Work
Aug 18, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
120: 106 - How Do We Terraform Venus
Aug 18, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
128: 114 - Are Intelligent Civilizations Doomed
Aug 18, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
115: 101 - How Many Ways Can The Sun Kill You
Aug 18, 2014 • 5 min
Support Universe Today podcasts with Fraser Cain
117: 103 - What Is The Great Attractor
Aug 18, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
118: 104 - Is Our Solar System Weird
Aug 18, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
116: 102 - Whats Inside Jupiter
Aug 18, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
114: 100 - Why Do People Go Crazy During The Full Moon
Jul 8, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
113: 99 - How Can We Move The Earth
Jun 26, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
112: 98 - Why Is Everything A Sphere
Jun 26, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
110: 96 - Which Planets Have Rings
Jun 18, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
111: 97 - What Does A Supernova Sound Like
Jun 18, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
108: 94 - Why Isnt The Asteroid Belt A Planet
Jun 16, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
107: 93 - Why Is The Moon Leaving Us
Jun 16, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
109: 95 - How Much Of The Universe Is Black Holes
Jun 16, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
106: 92 - Does Light Experience Time
Apr 30, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
105: 91 - Where Is The Center Of The Universe
Apr 28, 2014 • 5 min
Support Universe Today podcasts with Fraser Cain
104: 90 - How Can We Live On Mars
Apr 24, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
103: 89 - How Do We Know the Moon Landing Isn’t Fake
Apr 14, 2014 • 6 min
Support Universe Today podcasts with Fraser Cain
102: 88 - Can Tatooine Be Real
Apr 10, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
101: 87 - Can You Escape The Force of Gravity
Apr 7, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
100: 85 - How Far Can You See In The Universe
Apr 3, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
99: Interview 12 - Whyis Andromeda Drifting Towards Us?
Apr 3, 2014 • 2 min
Support Universe Today podcasts with Fraser Cain
98: 86 - Why Do Galaxies Have Arms
Apr 3, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
97: 84 - Whats The Fastest Way To Die In Space
Mar 26, 2014 • 5 min
Support Universe Today podcasts with Fraser Cain
96: Interview - Mercury Hollows
Mar 26, 2014 • 1 min
Support Universe Today podcasts with Fraser Cain
95: 83 - Can Light Orbit A Black Hole
Mar 24, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
94: 82 - What Happens When The Poles Flip
Mar 19, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
93: Interview 10 - How Does Life Recover
Mar 19, 2014 • 2 min
Support Universe Today podcasts with Fraser Cain
92: 81 - Which Star Will Explode Next
Mar 17, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
90: Interview 9 - What Is The Cosmic Microwave Background Radiation Ned Wright
Mar 11, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
91: 80 - How Do You Jumpstart A Dead Star
Mar 11, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
89: 79 - How Will Aliens Find Us
Mar 10, 2014 • 8 min
Support Universe Today podcasts with Fraser Cain
88: 78 - Is This a Special Time in the Universe?
Mar 6, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
87: 77 - How Do You Kill A Black Hole
Mar 5, 2014 • 5 min
Support Universe Today podcasts with Fraser Cain
86: 75 - Could Jupiter Become A Star
Mar 5, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
85: 76 - Can Moons Have Moons
Mar 5, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
84: Interview 8 Why Should We Go To Europa?
Feb 17, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
83: 74 - Where Is The Earth Located
Feb 16, 2014 • 5 min
Support Universe Today podcasts with Fraser Cain
82: 73 - How Fast Do Black Holes Spin
Feb 12, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
81: Interview 7 - What Are Hot Jupiters
Feb 11, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
80: 72 - How Old Is The Universe
Feb 10, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
79: 71 - How Can We Find Killer Asteroids
Feb 7, 2014 • 5 min
Support Universe Today podcasts with Fraser Cain
78: Interview 6 - Whats At The Center Of The Galaxy?
Feb 5, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
77: 70 - Could We Harvest Energy From A Star
Feb 3, 2014 • 5 min
Support Universe Today podcasts with Fraser Cain
76: 69 - How Much Stuff Is In A Light Year
Jan 30, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
75: Interview 5 - What Is The Future Of Our Sun?
Jan 29, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
74: 68 - What Is A Super Earth
Jan 27, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
73: 1 - How Long Does It Take To Get To Mars
Jan 20, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
72: 2 - What Is The Biggest Star In The Universe
Jan 20, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
71: 3 - How Fast Does The Earth Rotate
Jan 20, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
70: 4 - How To See The International Space Station ISS
Jan 20, 2014 • 2 min
Support Universe Today podcasts with Fraser Cain
69: 5 - How Many Planets Are In The Solar System
Jan 20, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
68: 8 - How Old Is The Earth
Jan 20, 2014 • 2 min
Support Universe Today podcasts with Fraser Cain
67: 7 - How Many Stars In The Universe
Jan 20, 2014 • 2 min
Support Universe Today podcasts with Fraser Cain
65: 6 - How To See Your House From Space
Jan 20, 2014 • 2 min
Support Universe Today podcasts with Fraser Cain
64: Why Pluto is Not A Planet
Jan 20, 2014 • 5 min
Support Universe Today podcasts with Fraser Cain
63: 9 - Interesting Facts About Saturn
Jan 20, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
62: 10 - What Is The Closest Star To Earth
Jan 20, 2014 • 2 min
Support Universe Today podcasts with Fraser Cain
61: 11 - What Is The Hottest Planet In The Solar System
Jan 20, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
60: 12 - Where Are All The Aliens
Jan 20, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
59: 13 - What Is The Distance To The Moon
Jan 20, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
58: 14 - How Cold Is Space
Jan 20, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
57: 15 - How Many Moons Does The Earth Have
Jan 20, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
56: 16 - How Will The World End
Jan 20, 2014 • 2 min
Support Universe Today podcasts with Fraser Cain
55: 17 - Whats The Most Earthlike Place In The Solar System
Jan 20, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
54: 18 - Does The Moon Rotate
Jan 20, 2014 • 2 min
Support Universe Today podcasts with Fraser Cain
66: 0 - How Long Does It Take Sunlight To Reach Earth
Jan 20, 2014 • 2 min
Support Universe Today podcasts with Fraser Cain
53: 67 - What Is A Solar Sail
Jan 20, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
52: 19 - What Killed All the Dinosaurs
Jan 20, 2014 • 2 min
Support Universe Today podcasts with Fraser Cain
51: 20 - How Hot Is the Sun
Jan 20, 2014 • 2 min
Support Universe Today podcasts with Fraser Cain
50: 21 - How High Is Space
Jan 20, 2014 • 2 min
Support Universe Today podcasts with Fraser Cain
49: 22 - Is Life On Mars Related To Earth
Jan 20, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
48: 23 - Could We Move The Sun
Jan 20, 2014 • 2 min
Support Universe Today podcasts with Fraser Cain
47: 24 - Why Do Stars Twinkle
Jan 20, 2014 • 2 min
Support Universe Today podcasts with Fraser Cain
46: 25 - What Is A Quasar
Jan 20, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
45: 26 - Can You Really Name A Star
Jan 20, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
44: 27 - How Do Astronomers Find Other Planets
Jan 20, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
43: 34 - What Is A Meteor Shower
Jan 20, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
42: 28 - How Did Life Begin
Jan 19, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
40: 30 - How Big Is The Solar System
Jan 19, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
38: 32 - How Did The Moon Form
Jan 19, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
37: 33 - Why Does The Earth Spin
Jan 19, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
36: 35 - Is There Really A Planet X
Jan 19, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
35: 36 - What Is A Dyson Sphere
Jan 19, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
34: 37 - Why Are There Seasons
Jan 19, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
33: 38 - How Do Black Holes Form
Jan 19, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
39: 31 - How Could We Find Aliens
Jan 19, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
41: 29 - Should Robots Or Humans Explore Space
Jan 19, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
32: 39 - How Long Will Life Survive On Earth
Jan 17, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
31: 40 - What Are The Phasesofthe Moon
Jan 17, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
30: 41 - What Color Is The Sun
Jan 17, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
29: 42 - What Is A Space Elevator
Jan 17, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
28: 43 - Where Did The Earths Water Come From
Jan 17, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
27: 44 - How Will The Universe End
Jan 17, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
26: 45 - Why Is Mars Red
Jan 17, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
25: 46 - How Many Satellites Are In Space
Jan 17, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
24: 47 - How Far Is Earth Fromthe Sun
Jan 17, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
23: 48 - What Is The Hottest Place On Earth
Jan 17, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
22: 66 - Whats On The Far Side Of The Moon
Jan 16, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
20: 50 - How Long Does It Take To Get To The Moon
Jan 16, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
19: 51 - What If The Earth Stopped Turning
Jan 16, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
17: 53 - What Is The Evidence For The Big Bang
Jan 16, 2014 • 5 min
Support Universe Today podcasts with Fraser Cain
16: 54 - What Is A Pulsar
Jan 16, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
15: 55 - Are There More Grainsof Sand Than Stars
Jan 16, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
14: 56 - What Is The Universe Expanding Into
Jan 16, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
13: 57 - How Do Stars Form
Jan 16, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
12: 58 - What Is The Distance To Mars
Jan 16, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
11: Interview 2 - What Is The Big Rip
Jan 16, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
18: 52 - What Is A Parsec
Jan 16, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
21: 49 - What Is The Milky Way
Jan 16, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
10: Interview 3 - When Will We Become Interstellar?
Jan 15, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
9: Interview 1 - Where Should We Look for Life in the Solar System
Jan 15, 2014 • 2 min
Support Universe Today podcasts with Fraser Cain
8: 59 - Why Does The Moon Shine
Jan 15, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
7: 60 - Is Everything In The Universe Expanding
Jan 15, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
6: 61 - Can Stars Collide
Jan 15, 2014 • 6 min
Support Universe Today podcasts with Fraser Cain
5: 62 - Where Did Saturns Rings Come From
Jan 15, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain
4: Interview 4 - What Are Cassini’s Most Interesting Discoveries
Jan 14, 2014 • 2 min
Support Universe Today podcasts with Fraser Cain
3: 65 - Whats On The Other Side Of A Black Hole
Jan 14, 2014 • 5 min
Support Universe Today podcasts with Fraser Cain
2: 64 - Will The Sun Explode
Jan 14, 2014 • 3 min
Support Universe Today podcasts with Fraser Cain
1: 63 - What Is The Kuiper Belt
Jan 14, 2014 • 4 min
Support Universe Today podcasts with Fraser Cain