The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
Only 55% of Americans know that the sun is a star.
986
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
Jupiter is bigger than all the other planets combined.
254
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
The population of the Earth has more than doubled since 1950.
151