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
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219