The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
Today's top fuel dragsters take off with more force than the space shuttle.
120
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
41% of the moon is not visible from earth at any time.
103
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 density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219