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
41% of the moon is not visible from earth at any time.
103
Astronauts get taller when they are in space.
224
There are two golf balls sitting on the moon.
721
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160