In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
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
Venus is the only planet that rotates clockwise.
310
The earth travels through space at 660,000 miles per hour.
189
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127