@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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@kchangnyt@AlanStern@plutosgems well, THAT statement is true when you consider exoplanets, which the IAU definition glaringly ignores.
@DrFunkySpoon Well, yeah, Twitter is not the medium for precisely caveated statements. Who has proposed a good definition of planet?
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@astrokiwi@kchangnyt Here's one stab at it that I made: http://funkyscience.net/wp-content/uploads/2013/07/PlanetDef_Aug.pdf … - 9 more replies
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