The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The population of the Earth has more than doubled since 1950.
151
Some asteroids have other asteroids orbiting them.
131
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
Buzz Aldrin’s mother’s maiden name was Moon.
9
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