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- Umbra, penumbra and antumbra - Wikipedia
The penumbra (from Latin paene 'almost, nearly' and umbra 'shadow') is the region in which only a portion of the light source is obscured by the occluding body, and an observer in the penumbra experiences a partial eclipse
- PENUMBRA Definition Meaning - Merriam-Webster
Every solar eclipse casts an umbra, the darker central area in which almost no light reaches the earth, and a penumbra, the area of partial shadow where part of the sun is still visible Penumbra can thus be used to describe any "gray area" where things aren't all black and white
- PENUMBRA Definition Meaning | Dictionary. com
U S Law a right or set of rights implicit but not expressed in the U S Constitution or Bill of Rights The principle of the penumbra protects against an imperfect, or incomplete, enumeration of rights
- PENUMBRA | English meaning - Cambridge Dictionary
In a lunar eclipse, the outer shadow or penumbra is a zone where Earth blocks a portion of the sun's rays You can also find related words, phrases, and synonyms in the topics: The moon was completely within the penumbra for half an hour and remained partially in eclipse for nearly two hours
- penumbra - Wiktionary, the free dictionary
penumbra (plural penumbras or penumbrae or (obsolete) penumbræ) A partially shaded area around the edges of a shadow, especially an eclipse quotations
- Penumbra | Moon, Sun Shadow | Britannica
penumbra, (from Latin paene, “almost”; umbra, “shadow”), in astronomy, the outer part of a conical shadow cast by a celestial body, in which the light from the source is partially blocked—as compared to the umbra (q v ), the shadow’s darkest, central part, where the light is totally excluded
- penumbra noun - Definition, pictures, pronunciation and usage notes . . .
Definition of penumbra noun in Oxford Advanced Learner's Dictionary Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more
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