Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Buzz Aldrin’s mother’s maiden name was Moon.
9
Some asteroids have other asteroids orbiting them.
131
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Lightning strikes about 6,000 times per minute on this planet!
158
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115