An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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solar magnetic cycle
  چرخه‌ی ِ مغناتیسی ِ خورشید  
carxe-ye meqnâtisi-ye xoršid
Fr.: cycle magnétique solaire  

The period of time, about 22 years, after which the magnetic → polarity of the Sun returns to its earlier state. It consists of two consecutive → solar cycles.

See also: → solar; → magnetic; → cycle.