An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



eastern elongation
  درازش ِ خاوری  
derâzeš-e xâvari
Fr.: élongation est  

The position of a planet when it can be seen in the western sky just after sunset.

See also:eastern; → elongation.