There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
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Today's top fuel dragsters take off with more force than the space shuttle.
120
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
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More than 20 million meteoroids enter Earth's atmosphere every day.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
If you went out into space, you would explode before you suffocated because there's no air pressure.
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Jupiter's moon Ganymede, is larger than the planet Mercury!
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