An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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plate center
  مرکز ِ پلاک  
markaz-e pelâk
Fr.: centre de plaque  

The celestial coordinates of the center of the field of an astronomical photographic plate.

See also: → plate; → center.