@tcn33 It’s not a planet unless Ceres, Haumea, Makemake, Eris, 2207OR10, Quaoar, Sedna, Orcus, 2002MS4 & Salacia are, too. +prob many more.
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@AlanStern@Spyder_Webb@plutosgems In 2000 paper with Hal Levison, you call Earth (& Mars, Mercury, Venus) dwarfs. And Pluto is subdwarf!
@AlanStern @Spyder_Webb @plutosgems And the "clearing the neighborhood" concept comes from *your* paper!! http://www.boulder.swri.edu/~hal/PDF/planet_def.pdf …
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@kchangnyt@Spyder_Webb@plutosgems Yes, bt it’s consistently misunderstood. It's a criteria abt “uber/under” planets not if a planet or not -
@AlanStern@Spyder_Webb@plutosgems And Hal has long since recanted. What do you two talk about when you pass in the SWRI hallway? - 1 more reply
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