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Tuesday, August 3, 2010

"Normally a blast of radiation like this could be expected to wipe out much of the human race..."

"... but fortunately we are protected by the Earth's magnetic field. Instead the deadly solar plasma is expected to stream down the planetary field lines towards the poles, crashing into oxygen and nitrogen atoms in the atmosphere and so lighting them up to form aurorae - the so-called Northern Lights."

Will we see the aurorae in Wisconsin? I need to know whether and when to look.

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