It 'snows' metal on Venus.
13
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
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
Today's top fuel dragsters take off with more force than the space shuttle.
120
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46