1. nadir
2. NadirThe 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 there. Since the concept of being below is itself somewhat vague, scientists define the nadir in more rigorous terms. Specifically, in astronomy, geophysics and related sciences, the nadir at a given point is the local vertical direction pointing in the direction of the force of gravity at that location.
Read “Nadir” on English Wikipedia
Read “天底” on Japanese Wikipedia
Read “Nadir” on DBpedia
Read “Nadir” on English Wikipedia
Read “天底” on Japanese Wikipedia
Read “Nadir” on DBpedia
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