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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The light hitting the earth right now is 30 thousand years old.
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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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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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There are more nerve cells in the human brain than there are stars in the Milky Way.
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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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