The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Astronauts cannot burp in space.
232
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121