More than 20 million meteoroids enter Earth's atmosphere every day.
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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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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
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Jupiter is bigger than all the other planets combined.
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41% of the moon is not visible from earth at any time.
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The earth travels through space at 660,000 miles per hour.
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