A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Some asteroids have other asteroids orbiting them.
131
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
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
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
Today's top fuel dragsters take off with more force than the space shuttle.
120
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118