An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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professional astronomer
  اخترشناس ِ پیشه‌کار  
axtaršenâs-e pišekâr (#)
Fr.: astronome professionnel  

A person who practices astronomy as a profession rather than as a hobby, in contrast to an → amateur astronomer.

See also: → professional; → astronomer.