A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Sound doesn't travel in space.
255
It takes eight and a half minutes for light to get from the sun to earth.
159
Today's top fuel dragsters take off with more force than the space shuttle.
120
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
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