There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
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More than 20 million meteoroids enter Earth's atmosphere every day.
139
Jupiter is bigger than all the other planets combined.
254
41% of the moon is not visible from earth at any time.
103
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
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
Earth is the only planet in our solar system that's not named after a god or goddess.
17