An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Venus is the only planet that rotates clockwise.
310
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
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
Pluto is smaller than Russia.
9
The Earth gets 100 tons heavier every day due to falling space dust.
673