The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
Only 55% of Americans know that the sun is a star.
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If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
Astronauts cannot burp in space.
232
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