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
It 'snows' metal on Venus.
13
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
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
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
Today's top fuel dragsters take off with more force than the space shuttle.
120
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12