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
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
The earth rotates more slowly on its axis in March than in September.
145
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
It takes eight and a half minutes for light to get from the sun to earth.
159