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
The population of the Earth has more than doubled since 1950.
151
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
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
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46