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
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Only 55% of Americans know that the sun is a star.
986
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
Earth is the only planet in our solar system that's not named after a god or goddess.
17