An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Oort minimum
  کمینه‌ی ِ اورت  
kamine-ye Oort
Fr.: minimum de Oort  

A 40-year period of unusually low → solar activity, from about 1010 to 1050. See also the → Maunder minimum.

See also: → Oort cloud; → minimum.