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physical phenomena > event > celestial event > periodic celestial event > solar cycle

solar cycle comparison table

Subject	occurs on	is an instance of	is a kind of	has period	has definition
periodic celestial event			celestial event		Celestial event which occurs with a very regular period
solar event	Sun		celestial event
solar cycle	Sun	solar event		11 years	The 11-year period between maxima (or minima) of solar activity. Every 11 years the magnetic field of the Sun reverses polarity; hence the more basic period may be 22 years.

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