penumbra
n//pəˈnʌm.bɹə//halvskugga, penumbra
A partially shaded area around the edges of a shadow, especially an eclipse.
(astronomy) A region around the edge of a sunspot, darker than the sun's surface but lighter than the middle of the sunspot.
halvskugga, penumbra
A partially shaded area around the edges of a shadow, especially an eclipse.
(astronomy) A region around the edge of a sunspot, darker than the sun's surface but lighter than the middle of the sunspot.
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