Pluto is smaller than Russia.
9
Only 55% of Americans know that the sun is a star.
986
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
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 last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
41% of the moon is not visible from earth at any time.
103
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194