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  • You should really add a bit about the the IAU and how their ridiculous definition of planet came about. It was not science: basically one person's vendetta against Clyde Tombaugh which persuaded a very small minority of the IAU to adopt a definition deliberately intended to exclude Pluto: laurele.livejournal.com/4755.html Commented Jul 6, 2018 at 5:05
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    @jamesqf I don't know much about how the sausage was made, just the outcome. Pluto's status is a distraction from this question, so I covered both angles and the history of "planet". From your comments you're pretty passionate about it, but this isn't the place to have it out. Maybe work up a question about the IAU process? Commented Jul 6, 2018 at 5:38
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    Interesting read... One little anecdote from when my daughter came home from school and told me that Pluto was an Elf planet. I was wondering what her teacher had been smoking when it occurred to me she'd watched Lord of the Rings at the weekend and had got a little mixed up... Commented Jul 6, 2018 at 9:53
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    @OscarBravo Pluto wasn't demoted, it left our Solar System and sailed to the West. :) Commented Jul 6, 2018 at 17:25