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SOLAR ACTIVITY UPDATE: M8.7-Class Flare Associated With an Earth Bound CME(Jan 23rd 2012).

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Uploaded on Jan 23, 2012

JAN. 22ND CME IMPACT: Arriving a little later than expected, a coronal mass ejection (CME) hit Earth's magnetic field at 0617 UT on Jan. 22nd. According to analysts at the Goddard Space Weather Lab, the CME strongly compressed Earth's magnetic field and briefly exposed satellites in geosynchronous orbit to solar wind plasma. For the next 24 hours, Earth's magnetic field reverberated from the impact, stirring bright auroras around the Arctic Circle.

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