The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
Jupiter is bigger than all the other planets combined.
254
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10