An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
It takes eight and a half minutes for light to get from the sun to earth.
159
Buzz Aldrin’s mother’s maiden name was Moon.
9
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
Earth is the only planet in our solar system that's not named after a god or goddess.
17
It 'snows' metal on Venus.
13