A 100-pound person on Earth would weigh 38 pounds on Mars.
102
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
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
Some asteroids have other asteroids orbiting them.
131
If two pieces of metal touch in space, they become permanently stuck together.
808
Today's top fuel dragsters take off with more force than the space shuttle.
120