There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
The sun is 330,330 times larger than the earth!
190
Astronauts get taller when they are in space.
224
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
Today's top fuel dragsters take off with more force than the space shuttle.
120