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Last Post 3/22/2013 11:07 AM by  Dawn Myers
SUnspot
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Anonymous





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3/22/2013 7:50 AM

    Bill C

    Whats the largest single sunspot ever seen?

    Dawn Myers



    Basic Member


    Posts:151
    Basic Member


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    3/22/2013 11:07 AM
    The largest sunspot group since 1900 was one in 1947 which measured 6132 millionths of the solar disk, or 18 times the surface area of the Earth.

    Forums Archives of previous runs of SolarWeek Sunspots
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