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January Saturday 28, 2012 at 14:35
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Today's Picture

Illuminated by an eerie greenish light, thisremarkable little planet is covered with ice and snowand ringed by tall pine trees. Of course ,this little planet is actually planet Earth,and the surrounding stars are above the horizon near Östersund, Sweden.The pale greenish illumination is from a curtain of shimmering Aurora Borealis also known as the Northern Lights.The display was triggered when a giant solar coronal mass ejection (CME) rocked planet Earth'smagnetosphere on January 24thand produced a strong geomagnetic storm.Northern hemisphere skygazers will also recognizethe familiar orientation of stars at the left, including the Pleiades and Hyades star clustersand the stars of Orion .Increasing solar activity has causedrecent auroral displays to be wide spread, including Aurora Australis , the SouthernLights, at high southern latitudes.


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