There are currently 2 astronomical definitions for the tag 'umbra'.

Tag: umbra

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umbra

Related tags

wilsoneffect, eclipse, lunareclipse, penumbra, solareclipse, sunspot, totaleclipse, zoneoftotality

Semantic Meaning of tag

URI: http://www.ivoa.net/Documents/PR/Semantics/Vocabularies-20080729/rdf/IVOAT#umbra
Author: http://purl.org/net/who/djburke

Semantic Meaning of tag

URI: http://archive.astro.umd.edu/ont/astronomy.owl#umbra
Author: http://purl.org/net/who/djburke