In 2011 Neptune turned 1 year old. The eighth planet from our solar system was discovered on September 23, 1846. Neptune takes a very long time to orbit the sun (164.8 Earth years). 3 years ago it finally completed it's first orbit of the sun since it was discovered.
Now, this got us wondering, when will Pluto complete it's first orbit since it's discovery? (Yes, yes. Our brains know that Pluto is no longer a planet, but in our hearts ... Pluto!) After all, Pluto is even farther out (most of the time) than Neptune, and was discovered much more recently.
Will we even be around to celebrate it's orbital birthday? Pluto was discovered on February 18, 1930. It takes the dwarf planet 248.09 Earth years to complete one orbit around the sun. Pluto will complete it's first full orbit since it's discovery on Monday, March 23, 2178, just a few years after Neptune turns 2.
3d wooden brain teasers for you to try via OMG Facts http://ift.tt/1dUbJ74
3d wooden brain teasers for you to try from Net Sauce http://netsauce.blogspot.com/2014/01/since-discovered-pluto-has-not.html
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