Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
There are two golf balls sitting on the moon.
721
If two pieces of metal touch in space, they become permanently stuck together.
808
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
It 'snows' metal on Venus.
13
Buzz Aldrin’s mother’s maiden name was Moon.
9
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
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115