All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Astronauts get taller when they are in space.
224
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
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Lightning strikes about 6,000 times per minute on this planet!
158