The moon is actually moving away from Earth at a rate of 1.5 inches per year.
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There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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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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The heart of an astronaut actually gets smaller when in outer space.
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Astronauts get taller when they are in space.
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There are two golf balls sitting on the moon.
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