The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
If two pieces of metal touch in space, they become permanently stuck together.
808
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
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
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