Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
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If two pieces of metal touch in space, they become permanently stuck together.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
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If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
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