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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There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
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Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
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Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
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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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Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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