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
There are two golf balls sitting on the moon.
721
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15