The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
The sun is 330,330 times larger than the earth!
190
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
The heart of an astronaut actually gets smaller when in outer space.
216
Earth is the only planet in our solar system that's not named after a god or goddess.
17