These are word's definitions related to penumbra. Click on any word to go to its word's detail page. Or, 更多关于penumbra的信息
0 the part of a shadow, especially one made by something blocking the sun, in which only part of the light is blocked
In a lunar eclipse, the outer shadow or penumbra is a zone where Earth blocks a portion of the sun's rays. 月食发生时,外侧的暗影或称半影是地球把部分太阳光挡住了的区域。
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European
2021年8月16日
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Shimmer