Space Weather News for Dec. 21, 2016
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SOLSTICE GEOMAGNETIC STORM: Around the Arctic Circle, the longest night of
the year has arrived with perfect timing. A high-speed stream of solar wind
hit Earth's magnetic field on Dec. 21st (the northern winter solstice)
filling the long hours of darkness with Northern Lights. At the time of
this alert, a moderately strong G2-class geomagnetic storm is underway, and
more storms are in the offing. Flowing from a huge hole in the sun's
atmosphere, this solar wind stream is broad. Earth could take days to cross
it. Check Spaceweather.com for updates.
 
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[...]
 
First contact with the solar wind stream produced a magnificent outburst of
auroras over the countryside near Fairbanks, Alaska. Photo credit: Marketa
S. Murray. [more]
 
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Regards,
 
Roger

--- DB 3.99 + W10 (1607)