There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
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Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
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The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The earth rotates more slowly on its axis in March than in September.
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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.
7
Summer on Uranus lasts for 21 years.
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Buzz Aldrin’s mother’s maiden name was Moon.
9