The light hitting the earth right now is 30 thousand years old.
163
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
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
NASA invented baby food as we know it today.
7
It 'snows' metal on Venus.
13
If NASA sent birds into space they would soon die; they need gravity to swallow.
146