Earth is the only planet in our solar system that's not named after a god or goddess.
17
Today's top fuel dragsters take off with more force than the space shuttle.
120
The heart of an astronaut actually gets smaller when in outer space.
216
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The light hitting the earth right now is 30 thousand years old.
163
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124