An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Some asteroids have other asteroids orbiting them.
131
Sound doesn't travel in space.
255
The population of the Earth has more than doubled since 1950.
151
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Jupiter is bigger than all the other planets combined.
254
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14