More than 20 million meteoroids enter Earth's atmosphere every day.
139
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
If two pieces of metal touch in space, they become permanently stuck together.
808
It 'snows' metal on Venus.
13
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Today's top fuel dragsters take off with more force than the space shuttle.
120
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Mars had an oxygen-rich atmosphere around 4 billion years ago
13