An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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disk galaxy
  کهکشان ِ گرده‌دار  
kahkešân-e gerdedâr
Fr.: galaxie à disque  

A galaxy consisting of a thin disk of stars and → interstellar matter which may include → spiral arms and → bar.

See also: → disk; → galaxy.