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 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 (text) and (voice).