When Leonardo da Vinci wrote about earthshine, he suggested that it might be caused by sunlight reflected from the Earth’s oceans. He was almost completely correct, except for one detail. Most of the reflected sunlight actually comes from the clouds in our atmosphere. The reflected light from the Earth is bright enough to light up the side of the Moon that isn’t receiving direct sunlight. The Da Vinci glow is not easy to see. Conditions need to be just right for the faint glow to appear.

  李奧納多.達文西寫到地球反照時,他認為這可能是由地球海洋反射陽光引起的。除了一個細節之外,他幾乎完全正確。大部分的反射陽光其實來自我們大氣中的雲層。從地球反射的光夠明亮,足以照亮月亮上沒有受到陽光直射的一面。達文西灰光並不容易看到。條件必須剛好達成才會出現微弱的光輝。

 

生活必備字詞:

except for...  除了……以外(不包含後面的人事物)

detail n. 細節

direct a. 直接的


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本文節錄自《常春藤生活英語》雜誌,完整內容請見五月號。

 


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