The story
For one of the farthest, coldest places in the solar system, Pluto sure stirs a lot of hot emotions right here on Earth.
It was three years ago Monday that the International Astronomical Union demoted Pluto from a planet to a dwarf planet, a decision that made jaws drop around the world.
An outcry followed, textbooks had to be rewritten, long-held beliefs were shattered, and many people felt our cosmic neighborhood just didn't seem the same with eight -- instead of nine --planets in the solar system. 
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