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Sunspot Cycle Progression
The Current Sunspot CycleThe current solar cycle appears to be making a double-bottom, but it is never possible to be sure that additional low points will not be reached prior to an upturn. Whether or not that occurs, the odds are high that the general sunspot cycle trend will be upward for the next several years.![]() This graph shows ISES sunspot numbers through
31 July 2008 courtesy of NOAA/SEC Boulder, Colorado
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