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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From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
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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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NASA invented baby food as we know it today.
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If two pieces of metal touch in space, they become permanently stuck together.
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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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