In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Today's top fuel dragsters take off with more force than the space shuttle.
120
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Astronauts get taller when they are in space.
224
Earth is the only planet in our solar system that's not named after a god or goddess.
17
If two pieces of metal touch in space, they become permanently stuck together.
808
The light hitting the earth right now is 30 thousand years old.
163
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115