The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
The light hitting the earth right now is 30 thousand years old.
163
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
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