Earth is the only planet in our solar system that's not named after a god or goddess.
17
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Only 55% of Americans know that the sun is a star.
986
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
More than 20 million meteoroids enter Earth's atmosphere every day.
139
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