The moon is actually moving away from Earth at a rate of 1.5 inches per year.
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A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
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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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Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
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The heart of an astronaut actually gets smaller when in outer space.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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