The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
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Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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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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Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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Jupiter is bigger than all the other planets combined.
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MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
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