Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Today's top fuel dragsters take off with more force than the space shuttle.
120
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The earth travels through space at 660,000 miles per hour.
189
41% of the moon is not visible from earth at any time.
103
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115