There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
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Jupiter's moon Ganymede, is larger than the planet Mercury!
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Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
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The moon is actually moving away from Earth at a rate of 1.5 inches per year.
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The sun is 330,330 times larger than the earth!
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Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
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