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Astronomy (thesaurus)

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... > mathematical technique > frame of reference > coordinate system > astronomical coordinate > horizontal coordinate system > nadir
... > astronomical technique > astrometry > coordinate system > astronomical coordinate > horizontal coordinate system > nadir

Preferred term

nadir  

Definition

  • The nadir is the direction pointing directly below a particular location; that is, it is one of two vertical directions at a specified location, orthogonal to a horizontal flat surface. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Nadir)

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URI

http://data.loterre.fr/ark:/67375/MDL-P725CFZR-C

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RDF/XML TURTLE JSON-LD Created 10/10/22, last modified 10/10/22