View Full Version : Monster Sunspot Erupts with an X-Class Flare

2014-Jan-08, 02:00 AM
Solar astronomers have been keeping an eye on giant sunspot AR1944, and as it turned towards Earth today, the sunspot erupted with a powerful X1.2-class flare. NOAA’s Space Weather Prediction Center said the flare sparked a “strong radio blackout” today, and they have issued a 24 hour “moderate” magnetic storm watch indicating a coronal mass […]

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