04.09.2008
Sun Makes History: First Spotless Month in a Century
by Michael Asher @ dailytech.com
Drop in solar activity has potential effect for climate on earth.
The sun has reached a milestone not seen for nearly 100 years: an entire month has passed without a single visible sunspot being noted. The event is significant as many climatologists now believe solar magnetic activity – which determines the number of sunspots -- is an influencing factor for climate on earth. According to data from Mount Wilson Observatory, UCLA, more than an entire month has passed without a spot. The last time such an event occurred was June of 1913. Sunspot data has been collected since 1749.
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10:43 Écrit par posted by SYS dans Actualité | Lien permanent | Commentaires (0) | Envoyer cette note | Tags : science, the sun |
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