Do you feel sad or happy about the decision? I don’t.
Both Pluto and Charon were supposed to be planets under the defination proposed on 16 August 2006. However, the IAU meeting on 24 August 2006 demoted Pluto as a dwarf planet. As the Pluto and Charon occupy the region with other objects, ie. Pluto doesn’t dominate the region like the 8 planets do.
The objects in the Solar System are categorized into 3 groups:
Planets: From Mercury to Neptune
Dwarf Planets: Pluto and any other round object that “has not cleared the neighborhood around its orbit, and is not a satellite.”
Small Solar System Bodies: All other objects orbiting the Sun.
If you are not satisfied with this decision, you may go to “Live vote: Where do you stand on Pluto”. I am not sure whether it works.
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