3D Sun news: Almost X-flare
2 July 2012 by Mr.V
Untitled Document
| NASA Heliophysics News from 3D Sun iPhone app
Almost X-flare
Story posted: July 2

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Big sunspot AR1515 erupted on July 2nd, producing an M5.6-class solar flare that ionized Earth’s upper atmosphere with a pulse of extreme UV radiation.
Large image | Video |
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Mr.V
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