If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
There are two golf balls sitting on the moon.
721
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9