The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The sun is 330,330 times larger than the earth!
190
Sound doesn't travel in space.
255
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
Astronauts get taller when they are in space.
224
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
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 earth is .02 degrees hotter during a full moon.
157