All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
Sound doesn't travel in space.
255
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Venus is the only planet that rotates clockwise.
310