The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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If two pieces of metal touch in space, they become permanently stuck together.
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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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On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
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The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
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Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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Lightning strikes about 6,000 times per minute on this planet!
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