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1 янв 1021 г. - 1021年– 伊本·海瑟姆（Ibn al-Haytham，Alhazen）寫到大氣的折射現象，即早晚暮光的起因。

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氣象學歷史

By陸華白
12 ноя 2019
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1 янв 1021 г.
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