The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
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It 'snows' metal on Venus.
13
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
41% of the moon is not visible from earth at any time.
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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 earth travels through space at 660,000 miles per hour.
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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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