Right descension
Descension De*scen"sion, n. [OF. descension, L. descensio. See {Descent}.] The act of going downward; descent; falling or sinking; declension; degradation. [1913 Webster]

{Oblique descension} (Astron.), the degree or arc of the equator which descends, with a celestial object, below the horizon of an oblique sphere.

{Right descension}, the degree or arc of the equator which descends below the horizon of a right sphere at the same time with the object. [Obs.] [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Descension — De*scen sion, n. [OF. descension, L. descensio. See {Descent}.] The act of going downward; descent; falling or sinking; declension; degradation. [1913 Webster] {Oblique descension} (Astron.), the degree or arc of the equator which descends, with… …   The Collaborative International Dictionary of English

  • Oblique descension — Descension De*scen sion, n. [OF. descension, L. descensio. See {Descent}.] The act of going downward; descent; falling or sinking; declension; degradation. [1913 Webster] {Oblique descension} (Astron.), the degree or arc of the equator which… …   The Collaborative International Dictionary of English

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