The sun puts out more power in 1 second than mankind has ever used within human existence.
14
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
It would take more than 150 years to drive a car to the sun.
569
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Earth is the only planet in our solar system that's not named after a god or goddess.
17
The population of the Earth has more than doubled since 1950.
151