An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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color-color diagram
  نمودار ِ رنگ-رنگ  
nemudâr-e rang-rang (#)
Fr.: diagramme couleur-couleur  

A diagram based on two photometric colors usually representing the same class of astronomical objects.

See also: → color; → diagram.