Earth is the only planet in our solar system that's not named after a god or goddess.
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It 'snows' metal on Venus.
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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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Venus is the only planet that rotates clockwise.
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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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In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
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Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
A comet's tail always points away from the sun.
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