Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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A comet's tail always points away from the sun.
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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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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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Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
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The population of the Earth has more than doubled since 1950.
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A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
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