Jupiter's moon Ganymede, is larger than the planet Mercury!
149
Astronauts get taller when they are in space.
224
It 'snows' metal on Venus.
13
The earth travels through space at 660,000 miles per hour.
189
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
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