The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Sound doesn't travel in space.
255
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82