If two pieces of metal touch in space, they become permanently stuck together.
808
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
The light hitting the earth right now is 30 thousand years old.
163
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121