There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
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Astronauts get taller when they are in space.
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Lightning strikes about 6,000 times per minute on this planet!
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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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Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
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Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
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