The Earth gets 100 tons heavier every day due to falling space dust.
673
The earth rotates more slowly on its axis in March than in September.
145
Today's top fuel dragsters take off with more force than the space shuttle.
120
A comet's tail always points away from the sun.
2
Earth is the only planet in our solar system that's not named after a god or goddess.
17
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236