“解出來一看，了不得，地球的軌道，是橢圓。”真的嗎？軌道為什麽是橢圓，科學應該目前還未解釋清楚吧？

來源: 郭大平於 2024-06-23 10:31:41 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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