What are the sunspot cycles?

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The sun spot cycle is due to the magnetic field lines of the sun and the fact that the whole star does not rotate around exactly together since the star is not a solid. It is a period of roughly 11 years that we know of, any cycles much longer we do not have enough long term data about. When the cycle picks up the spots will start to appear about 30 degrees away from the sun's equator and move inwards as the cycle progresses....Show more