The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
If NASA sent birds into space they would soon die; they need gravity to swallow.
146
If two pieces of metal touch in space, they become permanently stuck together.
808
It 'snows' metal on Venus.
13
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219