Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
If two pieces of metal touch in space, they become permanently stuck together.
808
The heart of an astronaut actually gets smaller when in outer space.
216
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219