[疑問] 東方有人提出過地圓說嗎
最近在看西方憑甚麼
內容提到西方世界能夠在近代碾壓東方，近因是工業革命，遠因是殖民美洲
而西方歐洲能夠比東方中國更早發現美洲、殖民美洲，關鍵原因是地理上較接近
若非如此，明朝時的中國其實也有遠洋的潛力，假以時日也能發現美洲
但是我有個疑惑
歐洲探險家知道地球是圓的，所以才敢向西航行
古代中國，或者說是整個東方世界，姑且不說是否人人都相信地球是圓的
有人提出過地球是圓的這樣的理論嗎？
如果沒有這樣的知識基礎，官員和探險者也沒有這樣的信念
怎麼會有人想要向東航向茫茫大海的盡頭？
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