The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Only 55% of Americans know that the sun is a star.
986
The earth rotates more slowly on its axis in March than in September.
145
Lightning strikes about 6,000 times per minute on this planet!
158
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
If two pieces of metal touch in space, they become permanently stuck together.
808
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
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