Buzz Aldrin’s mother’s maiden name was Moon.
9
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
It 'snows' metal on Venus.
13
The light hitting the earth right now is 30 thousand years old.
163
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
41% of the moon is not visible from earth at any time.
103
The heart of an astronaut actually gets smaller when in outer space.
216