An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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ecliptic longitude
  درژنای ِ هورپهی  
derežnâ-ye hurpehi
Fr.: longitude écliptique  

One of the two coordinates in the → ecliptic system; the angle measured eastwards along the ecliptic from 0° to 360°, with the origin at the → vernal equinox.

See also: → ecliptic; → longitude.