EPISODE · Sep 8, 2019 · 9 MIN
那年冥王星被踢出“行星”群聊有何“内幕”？
from 天文随心听｜讲述宇宙与人的故事
冥王星曾被认为是太阳系中的九大行星之一。但随着一些体积近乎冥王星，甚至超于冥王星的微型行星被发现，这个理论被彻底推翻。
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那年冥王星被踢出“行星”群聊有何“内幕”？
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