Earth is the only planet in our solar system that's not named after a god or goddess.
17
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 density of Saturn is so low that if you were to put it in a giant glass of water it would float.
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On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
Sound doesn't travel in space.
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