Earth is the only planet in our solar system that's not named after a god or goddess.
17
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Today's top fuel dragsters take off with more force than the space shuttle.
120
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
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
The population of the Earth has more than doubled since 1950.
151
41% of the moon is not visible from earth at any time.
103