The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
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
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Some asteroids have other asteroids orbiting them.
131
The population of the Earth has more than doubled since 1950.
151