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
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
Sound doesn't travel in space.
255
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The sun is 330,330 times larger than the earth!
190
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15