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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
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.
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