solar cycle concept from the Astronomy knowledge base

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solar cycle

subject fact

solar cycle has period 11 years has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:30:02.0
has definition 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. has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:30:02.0
is an instance of periodic celestial event
is an instance of solar event

solar event occurs on Sun

event has duration 2001-09-27 09:29:57.0
has synonym world point
has time of occurrence

solar cycle	has period 11 years
	has definition 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.
	is an instance of periodic celestial event
	is an instance of solar event
solar event	occurs on Sun
event	has duration
	has synonym world point
	has time of occurrence