Earth is the only planet in our solar system that's not named after a god or goddess.
17
Pluto is smaller than Russia.
9
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
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
41% of the moon is not visible from earth at any time.
103
The sun is 330,330 times larger than the earth!
190
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118