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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Mars had an oxygen-rich atmosphere around 4 billion years ago
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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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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On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
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NASA invented baby food as we know it today.
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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