In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Today's top fuel dragsters take off with more force than the space shuttle.
120
Summer on Uranus lasts for 21 years.
358
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
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 earth travels through space at 660,000 miles per hour.
189
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18