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
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
It takes eight and a half minutes for light to get from the sun to earth.
159