The earth is .02 degrees hotter during a full moon.
157
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
The population of the Earth has more than doubled since 1950.
151
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14