The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The population of the Earth has more than doubled since 1950.
151
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 moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Some asteroids have other asteroids orbiting them.
131
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
Sound doesn't travel in space.
255