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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There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
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In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
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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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