Less than a week ago, sunspot 1158 didn't exist. Now it is wider than the planet Jupiter and unleashing the strongest solar flares since Dec. 2006.
A series of coronal mass ejections (CMEs) en route to Earth from sunspot 1158 will buffet our planet's magnetic field during the next 24-48 hours.
Wednesday, February 16, 2011
Global warming - sunspot 1158
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