Umbra

http://astrothesaurus.org/uat/1744

dcterms modified equal to or less than 2020-11-19T16:49:57.642Zequal to or more than 2020-11-19T16:49:57.642Z
broader
http://astrothesaurus.org/uat/442 original
narrower
1744 original
definition A dark area, especially the blackest part of a shadow from which all light is cut off.
type
Resource original
Concept original
contributor AAS_Frey.Katie original