An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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supergranulation cell
  یاخته‌ی ِ اَبَر-دانه‌بندی  
yâxte-ye abar-dâne-bandi
Fr.: cellule de supergranulation  

One of a number of large convective cells (about 15,000-30,000 km in diameter) in the solar photosphere, distributed fairly uniformly over the solar disk, that last longer than a day.

See also: → super-; → granulation; → cell.