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
It takes eight and a half minutes for light to get from the sun to earth.
159
Astronauts get taller when they are in space.
224
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118