The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
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
Summer on Uranus lasts for 21 years.
358