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Coronal mass ejection

coronal mass injection, Smithsonian Astrophysical Observatory

This image shows filaments erupting from the surface of the sun and blasting enormous bubbles of magnetic plasma into space in a coronal mass ejection. Astronomers have found that traditional ways of monitoring solar flares will miss significant numbers of these mass ejections. The coronal activity in this image extends over two million kilometers from the solar surface. (Photo courtesy NASA and the Solar and Heliospheric Observatory)


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