The heart of an astronaut actually gets smaller when in outer space.
216
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
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
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82