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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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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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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The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
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