Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Today's top fuel dragsters take off with more force than the space shuttle.
120
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
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
It takes eight and a half minutes for light to get from the sun to earth.
159
A 100-pound person on Earth would weigh 38 pounds on Mars.
102