Sun's 2013 Solar Storm Peak Expected to Hit Century Low
by Elizabeth Howell, SPACE.com Contributor
Date: 04 January 2013 Time: 06:58 AM ET
Sunspot numbers are low, researchers said, even as the sun reaches the peak of its 11-year activity cycle. Also, radio waves that are known to indicate high solar activity have been very subdued.
"It's likely to be the lowest solar maximum, as measured by sunspot 'number,' in more than a century," wrote Joe Gurman, a project scientist for NASA's sun-observing mission Stereo, or Solar TErrestrial RElations Observatory. The current sun weather cycle is known as Solar Cycle 24.
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Sources: NASA, Space.com .
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