An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
It takes eight and a half minutes for light to get from the sun to earth.
159
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The heart of an astronaut actually gets smaller when in outer space.
216
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
The earth rotates more slowly on its axis in March than in September.
145