40: We saw your wobble
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How do we see things in space? TRAPPIST-1: "Presenting humanity with many opportunities to study terrestrial worlds beyond our solar system" (TRAPPIST-1) TRAPPIST-1 (Wikipedia) What is astronomy? (Space.com) How do (visual) telescopes work? (How Stuff Works, Science) Galileo Galilei (Wikipedia) Four of Jupiter's 67 moons, Io, Europa, Ganymede & Callisto, are known as the 'Galilean' moons (Wikipedia) Galilieo got in big trouble from the church for saying that the Earth was not the centre of everything (Wikipedia) Galileo gives an eternal bird to the church: His middle finger is displayed in a jar in Florence (Wikipedia) The Galilean moons have regular orbits, but most of Jupiter's moons have orbits that are a bit random (Wikipedia) The electromagnetic spectrum (Cosmos) The electromagnetic spectrum & telescopes (NASA) It takes more than one kind of telescope to see the light (NASA) Observatories across the electromagnetic spectrum (NASA) A list of all the space telescopes (Wikipedia) A list of the oldest…