| umbra |
The main (darkest) area of a shadow when an object completely blocks out light.
출처: www.uni-duesseldorf.de/URZ/hardware/parallel/local...
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| umbra |
The darker core of a shadow, usually cone shaped, and surrounded by a lighter penumbral shadow. Also refers to the darker center of sunspots. (Back To Top) W
출처: home.hiwaay.net/~krcool/Astro/moon/moonpedia/
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| umbrascopy |
retinoscopy.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| umbra |
("shadow"): an uninvited guest or invited at the last minute to fill out the number of guests.
출처: www.stockton.edu/~roman/fiction/vocab4.htm
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| umbra |
(i) The shadow that results when a bright object is completely occulted. A total eclipse of the Sun occurs when the observer is in the Moon's umbra. (ii) The dark inner region of a sunspot.
출처: www.aoe.com.au/astronomical_glossary.html
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