Today's top fuel dragsters take off with more force than the space shuttle.
120
If you went out into space, you would explode before you suffocated because there's no air pressure.
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
Summer on Uranus lasts for 21 years.
358
If two pieces of metal touch in space, they become permanently stuck together.
808
A 100-pound person on Earth would weigh 38 pounds on Mars.
102