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1 jan 1021 ano - 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

12 nov 2019

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1 jan 1021 ano

Agora

~ 1005 years ago

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