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GEMINID METEOR SHOWER:  Earth is entering a stream of debris from “rock comet”

 

Artist's rendition of Earth's magnetosphere.

Artist’s rendition of Earth’s magnetosphere. (Photo credit: Wikipedia

3200 Phaethon, source of the annual Geminid meteor shower.  Last night, NASA cameras recorded more than a dozen fireballs over the USA.  Geminid activity should remain relatively high for the next three or four nights, with a peak expected on Dec. 13-14.  Check http://spaceweather.com for more information and observing tips.

 

GEOMAGNETIC STORM:  On Dec. 7th, a solar wind stream hit Earth’s magnetic field, sparking an unexpected geomagnetic storm and Northern Lights over several US states. Did you miss it?  Auroras alerts are available from http://spaceweathertext.com (text) and http://spaceweatherphone.com (voice).