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ESA Data Ontology

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Concept information

... > Observational astronomy > Astronomical techniques > Astrometry > Syzygy > Eclipses > Umbra

Preferred term

Umbra  

Definition

  • A dark area, especially the blackest part of a shadow from which all light is cut off. (en)

Broader concept

Contributor

Editorial note

URI

http://astrothesaurus.org/uat/1744

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