It takes eight and a half minutes for light to get from the sun to earth.
159
Only 55% of Americans know that the sun is a star.
986
The heart of an astronaut actually gets smaller when in outer space.
216
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
It 'snows' metal on Venus.
13
Jupiter's moon Ganymede, is larger than the planet Mercury!
149