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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It 'snows' metal on Venus.
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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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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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A comet's tail always points away from the sun.
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