The heart of an astronaut actually gets smaller when in outer space.
216
If two pieces of metal touch in space, they become permanently stuck together.
808
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
The light hitting the earth right now is 30 thousand years old.
163
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9