Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Lightning strikes about 6,000 times per minute on this planet!
158
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
It takes eight and a half minutes for light to get from the sun to earth.
159
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219