A Year in the Life of an Ice Giant

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Would you believe we discovered the planet Neptune only one year ago? Weird; I seem to have heard about this planet all my life—it was even my favorite planet at one point, back in childhood. What's this paradox?
Well, not a paradox—just semantics. It has been one year since Neptune's discovery. One Neptunian year. It takes Neptune, the most distant known (official) planet, about 165 years to orbit the Sun one time.
Doing the math backward, 2011 – 165 = 1846. Neptune was officially discovered on September 23rd of that year in a sort of virtual team  more...