The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Venus is the only planet that rotates clockwise.
310
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
The earth is .02 degrees hotter during a full moon.
157
The population of the Earth has more than doubled since 1950.
151
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Jupiter's moon Ganymede, is larger than the planet Mercury!
149