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The Astronomers30072011
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NASA SDO - M9-class Solar Flare, July 30, 2011

In the early hours of July 30, 2011 a fairly strong, but brief, M9-class solar flare occurred on Active Region 1261. Because it was brief it appears not to have hurled a large coronal mass ejection (CME) outwards. Additional analysis are underway. Credit: NASA SDO

Channels: Solar astronomy 

Added: 2081 days ago by deek

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