There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
The earth travels through space at 660,000 miles per hour.
189
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
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
Summer on Uranus lasts for 21 years.
358