Solar physics: Sun Down! ……………………….

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    Geoffw

    ……………………Several lines of evidence suggest that the sun is about to go quiet. (For more info click here)

    The Economist
    June 16th 2011
    20110618_STP004.jpg
    DURING the four centuries that it has been studied in detail, the sun has usually behaved in a regular manner. The number of spots on its surface has waxed and waned in cycles that last, on average, 11 years. Such cycles begin with spots appearing in mid-solar latitudes and end with them near the equator. And the more spots there are, the more solar storms there are around………….

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