There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
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In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
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If you went out into space, you would explode before you suffocated because there's no air pressure.
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The earth travels through space at 660,000 miles per hour.
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It takes eight and a half minutes for light to get from the sun to earth.
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Astronauts get taller when they are in space.
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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
Only 55% of Americans know that the sun is a star.
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