An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
Astronauts get taller when they are in space.
224
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Venus is the only planet that rotates clockwise.
310
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
It 'snows' metal on Venus.
13
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20