Summer on Uranus lasts for 21 years.
358
If two pieces of metal touch in space, they become permanently stuck together.
808
From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
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
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
Earth is the only planet in our solar system that's not named after a god or goddess.
17