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
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
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
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
It takes eight and a half minutes for light to get from the sun to earth.
159
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
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16