Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
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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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Summer on Uranus lasts for 21 years.
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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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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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Jupiter is bigger than all the other planets combined.
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