Stormy Weather in Space: Craft take panoramic view of solar eruptions

By Ron Cowen, 15:56 PM April 15, 2008

Even at its most quiescent, the sun hurls into space a billion-ton cloud of charged particles every 2 days or so. The few particles that strike our planet can disrupt satellites and knock out power systems on the ground.

Twin spacecraft have for the first time tracked these storms, known as coronal mass ejections, from their birth in the lower depths of the sun's atmosphere all the way to Earth's orbit, scientists announced this week. The new capability will enable solar physicists to forecas...

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