All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
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
Today's top fuel dragsters take off with more force than the space shuttle.
120
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
Pluto is smaller than Russia.
9
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9