Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
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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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There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
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