The light hitting the earth right now is 30 thousand years old.
163
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The heart of an astronaut actually gets smaller when in outer space.
216
The earth travels through space at 660,000 miles per hour.
189
It 'snows' metal on Venus.
13
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Jupiter is bigger than all the other planets combined.
254
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127