All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
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
The earth rotates more slowly on its axis in March than in September.
145
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
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
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9