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Monster Sunspot Erupts with an X-Class Flare - Universe Today
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 … Continue reading "Monster Sunspot Erupts with an X-Class Flare"