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Page last updated on: Friday, July 18, 2014 Share on hootsuite Share on facebook Share on twitter Share on email More Sharing Services 2 Sunspot number drops to zero On July 17th, for the first time in nearly 3 years, the sunspot number dropped to zero. Is Solar Max finished? Forecasts and further discussion of this "All Quiet" event highlight today's edition of http://spaceweather.com