It takes eight and a half minutes for light to get from the sun to earth.
159
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Sound doesn't travel in space.
255
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Today's top fuel dragsters take off with more force than the space shuttle.
120
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
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
