One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
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
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
Venus is the only planet that rotates clockwise.
310
Earth is the only planet in our solar system that's not named after a god or goddess.
17
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
It would take more than 150 years to drive a car to the sun.
569