It takes eight and a half minutes for light to get from the sun to earth.
159
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
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
Astronauts cannot burp in space.
232
Today's top fuel dragsters take off with more force than the space shuttle.
120
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
A 100-pound person on Earth would weigh 38 pounds on Mars.
102