A comet's tail always points away from the sun.
2
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
41% of the moon is not visible from earth at any time.
103
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
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