The population of the Earth has more than doubled since 1950.
151
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The earth is .02 degrees hotter during a full moon.
157
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
A 100-pound person on Earth would weigh 38 pounds on Mars.
102