All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
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
The earth rotates more slowly on its axis in March than in September.
145
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
The heart of an astronaut actually gets smaller when in outer space.
216
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124