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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An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
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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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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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Earth is the only planet in our solar system that's not named after a god or goddess.
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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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The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
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