News From the Field
More to Solar Cycle Than Sunspots--Sun Also Bombards Earth With High-speed Streams of Wind
September 17, 2009
Challenging conventional wisdom, new research finds that the number of sunspots provides an incomplete measure of changes in the sun's impact on Earth over the course of the 11-year solar cycle. The sun can bombard Earth with high-speed streams of energy even in the virtual absence of sunspots.
National Center for Atmospheric Research/University Corporation for Atmospheric Research
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