Solar Flare 2011: Biggest Sun Storm in Four Years Passes Earth

The sun is alive. And sometimes it gets angry. A giant solar flare -- the biggest in four years -- leapt from the face of the sun on Monday, said NASA, and sent masses of charged particles outward into space, including toward Earth. The radiation from Monday's flare, known as a Coronal Mass Ejection, should pass the Earth today, Friday and Saturday. The charged particles will speed by at some 560 miles per second. Do not be afraid. NOAA's Space Weather Prediction Center in Boulder, Colo.,...Full Story
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