All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
If two pieces of metal touch in space, they become permanently stuck together.
808
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
It would take more than 150 years to drive a car to the sun.
569
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
Today's top fuel dragsters take off with more force than the space shuttle.
120