@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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@DrFunkySpoon Culturally, planet means “big, important thing orbiting sun.” & thus countable like continents, oceans, siblings.
2/ @DrFunkySpoon If asked, “how many brothers and sisters?” & u say, “I don’t know,” people look at you strange.
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@DrFunkySpoon not surprising if don’t know # cousins, because that’s peripheral. -
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@DrFunkySpoon so if can’t count planets, lose basic distinguishing descriptor of solar system—just sun and some stuff going around it. - 2 more replies
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