All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
If two pieces of metal touch in space, they become permanently stuck together.
807
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
Today's top fuel dragsters take off with more force than the space shuttle.
120
Buzz Aldrin’s mother’s maiden name was Moon.
9
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
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
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118