An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 141 Search : system
Yerkes system
  راژمان ِ یرکیز   
râžmân-e Yerkes

Fr.: système de Yerkes   

Same as → Morgan-Keenan classification.

After Yerkes Observatory, where the classification was developed; → system.

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