An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



cluster formation rate (CFR)
  نرخ ِ دیسش ِ خوشه  
nerx-e diseš-e xuše
Fr.: taux de formation d'amas  

A parameter used in star formation models representing the ratio of the total mass in → star clusters to the corresponding age range (Bastian, 2008, MNRAS 390, 759, arxiv/0807.4687).

See also:cluster; → formation; → rate.