Sound doesn't travel in space.
255
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
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
Venus is the only planet that rotates clockwise.
310
The earth travels through space at 660,000 miles per hour.
189
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
41% of the moon is not visible from earth at any time.
103