The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
A comet's tail always points away from the sun.
2
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82