An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
It 'snows' metal on Venus.
13
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Earth is the only planet in our solar system that's not named after a god or goddess.
17
A 100-pound person on Earth would weigh 38 pounds on Mars.
102