太阳离我们最远的冬至, 是如何在3000年前被发现的? episode artwork

EPISODE · Dec 20, 2025 · 4 MIN

太阳离我们最远的冬至, 是如何在3000年前被发现的?

from 梅有想法

冬至这天,太阳直射地球最南端的南回归线,太阳走到离我们最远的地方。一年中白昼最短的一天,被古代中国人精确捕捉并记录下来。三千多年前,中国古人已开始通过观测日影长度来确定冬至——这是他们天文历法体系中的一次重大突破。

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太阳离我们最远的冬至, 是如何在3000年前被发现的?

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