Tuesday, November 9, 2010

Solar shield to protect power grids from sun storms
[ Tue, 9 Nov 2010 16:18:14 GMT ]

This snapshot from NASA's Solar Dynamics Observatory shows a stunning prominence associated with a Sept. 8, 2010 solar flare.NASA has devised a new tool in the battle against massive eruptions from the sun: an early warning system to protect electrical grids on Earth from extremely powerful solar storms.


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