Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
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 moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
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
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5