A 100-pound person on Earth would weigh 38 pounds on Mars.
102
The earth is .02 degrees hotter during a full moon.
157
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Today's top fuel dragsters take off with more force than the space shuttle.
120
The heart of an astronaut actually gets smaller when in outer space.
216
The earth rotates more slowly on its axis in March than in September.
145