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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.
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.
[4] The word's earliest records in the West are in 12th- and 13th-century Latin astronomy texts as nadahir and nadir, with the same meaning as the Arabic, and the earliest is in an Arabic-to-Latin translation. [2] Crossref zenith, which was transferred from Arabic astronomy to Latin astronomy on the same pathway at the same time. [5]
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.
This is a list of Wikipedia articles of Latin phrases and their translation into English. To view all phrases on a single, lengthy document, see: List of Latin phrases (full) The list is also divided alphabetically into twenty pages:
This glossary of astronomy is a list of definitions of terms and concepts relevant to astronomy and cosmology, their sub-disciplines, and related fields. Astronomy is concerned with the study of celestial objects and phenomena that originate outside the atmosphere of Earth. The field of astronomy features an extensive vocabulary and a ...
Nadir comes from ottoman empire (old turkish) with the meaning of "down". Zenith comes from roman empire (latin) with the meaning of "up". Nadir and Zenith are 2 directions that they can help people to orient themselves. Attention!!! North Pole and South Pole with Nadir and Zenith are a total differention. Poles are points and N&Z are directions.
Term used for the university one attends or has attended. Another university term, matriculation, is also derived from mater. The term suggests that the students are "fed" knowledge and taken care of by the university. It is also used for a university's traditional school anthem. alter ego: another I: i.e., another self, a second persona or ...