If two pieces of metal touch in space, they become permanently stuck together.
808
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
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