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Last Post 3/27/2017 11:06 AM by  Terry Kucera
Duration of Sunspots
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3/27/2017 10:23 AM
    What is the lifespan of a sunspot?
    Tags: sunspots, lifespan

    Terry Kucera

    Basic Member

    Basic Member

    3/27/2017 11:06 AM
    They can last for weeks or even, for very large sunspot groups, months, although the sunspots groups change during that time. The Sun rotates every 27 days or so and you can see some of the larger sunspot groups come around a few times.

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