If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Venus is the only planet that rotates clockwise.
310
The light hitting the earth right now is 30 thousand years old.
163
The heart of an astronaut actually gets smaller when in outer space.
216
Sound doesn't travel in space.
255
The sun is 330,330 times larger than the earth!
190