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Title: The sunspot cycle on the Sun isA)the regular movement of a relatively constant number of sunspots ... Post by: staedtler on Mar 18, 2017 The sunspot cycle on the Sun is
A) the regular movement of a relatively constant number of sunspots from the poles to the equator of the Sun over an 11-year period. B) a somewhat irregular, but always present, cycle of build-up and decay of sunspot numbers. C) an irregular build-up and decay in the number of sunspots averaging about 11 years, which occasionally fails for a time when no spots appear. D) an extremely regular build-up and decay in the number of sunspots, with a precise period of 11.3 years. Title: Re: The sunspot cycle on the Sun isA)the regular movement of a relatively constant number of ... Post by: hyponotica on Mar 18, 2017 Content hidden
Title: Re: The sunspot cycle on the Sun isA)the regular movement of a relatively constant number of sunspots ... Post by: staedtler on May 1, 2017 ;D Exactly what I needed
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