: Astronomie: nadir

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nadir

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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RDF/XML TURTLE JSON-LD Date de création 10/10/2022, dernière modification le 10/10/2022

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