The earth rotates more slowly on its axis in March than in September.
145
Some asteroids have other asteroids orbiting them.
131
Today's top fuel dragsters take off with more force than the space shuttle.
120
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
Only 55% of Americans know that the sun is a star.
986
The population of the Earth has more than doubled since 1950.
151