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Diagram showing the relationship between the zenith, the nadir, and different types of horizon.Note that the zenith is opposite the nadir. The nadir [a] [b] 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.
Refers to situations in which a single example or observation indicates a general or universal truth. Coined in Virgil, Aeneid II 65-6. Example: visible in the court of King Silas in the American television series Kings. ab urbe condita (AUC) from the founding of the City: i.e., "from the founding of Rome", which occurred in 753 BC, according ...
The zenith (UK: / ˈ z ɛ n ɪ θ /, US: / ˈ z iː n ɪ θ /) [1] [2] is the imaginary point on the celestial sphere directly "above" a particular location. "Above" means in the vertical direction opposite to the gravity direction at that location . The zenith is the "highest" point on the celestial sphere.
In astronomy, the meridian is the great circle passing through the celestial poles, as well as the zenith and nadir of an observer's location. Consequently, it contains also the north and south points on the horizon , and it is perpendicular to the celestial equator and horizon.
A non-traditional Latin rendering, temet nosce (thine own self know), is translated in The Matrix as "know thyself". noscitur a sociis: a word is known by the company it keeps: In statutory interpretation, when a word is ambiguous, its meaning may be determined by reference to the rest of the statute. noster nostri: Literally "Our ours"
for the sake of example Usually abbreviated "e.g.". ex tunc: from then Term used in contract law to specify terms that are voided or confirmed in effect from the execution of the contract. Cf. ex nunc. Ex turpi causa non oritur actio: ex nunc: from now on
These are special purpose telescopes mounted so as to allow pointing only in the meridian, the great circle through the north point of the horizon, the north celestial pole, the zenith, the south point of the horizon, the south celestial pole, and the nadir.
In topography, a nadir is a point on a surface that is lower in elevation than all points immediately adjacent to it. [1] Mathematically , a nadir is a local minimum of elevation. A nadir may be the lowest point of a dry basin or depression , or the deepest point of a body of water or ice .