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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The earth travels through space at 660,000 miles per hour.
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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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Some asteroids have other asteroids orbiting them.
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The heart of an astronaut actually gets smaller when in outer space.
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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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The moon is actually moving away from Earth at a rate of 1.5 inches per year.
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