The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The light hitting the earth right now is 30 thousand years old.
163
It 'snows' metal on Venus.
13
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
Summer on Uranus lasts for 21 years.
358
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9