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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Buzz Aldrin’s mother’s maiden name was Moon.
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Astronauts get taller when they are in space.
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There are two golf balls sitting on the moon.
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The earth travels through space at 660,000 miles per hour.
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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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