| penumbra |
The portion of a shadow the receives direct light from only part of the light source.
출처: home.comcast.net/~dtrunkle/Astrorat/glossary.htm
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|---|---|
| penumbra |
Portion of the shadow cast by an eclipsing object in which the eclipse is seen as partial.
출처: astronomy.nju.edu.cn/astron/AT3/GLOSS_P.HTM
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| penumbra |
The part of a shadow in which the light (or other rays such as the solar wind) is only partially masked, in contrast to the umbra in which light is completely masked, by the intervening object.
출처: history.nasa.gov/EP-95/glossary.htm
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| penumbra |
Outer, lighter area of a sunspot.
출처: www.ametsoc.org/amsedu/WES/glossary.html
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| penumbra |
The brighter area that surrounds the darker umbra or umbrae at the center of a sunspot.(go to where the term first appears in the text).
출처: www.exploratorium.edu/sunspots/glossary.html
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