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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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 organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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A comet's tail always points away from the sun.
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The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
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