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
Buzz Aldrin’s mother’s maiden name was Moon.
9
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
The sun is 330,330 times larger than the earth!
190
The light hitting the earth right now is 30 thousand years old.
163
Sound doesn't travel in space.
255
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
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160