Spaceweather.com just announced that a coronal mass ejection (CME) got launched toward earth out of sunspot AR2673 at 1292 UT today, and unleashed a major X9.3 class solar flare--the strongest solar flare in more than a decade!! It caused a strong shortwave radio blackout over a large region (see figure).Analyists are still working on determining whether or not it is Earth-directed. In a list of the most powerful solar flares recorded since 1976, this flare ranks at #14. Compared to the Carrington Event of 1859, this event is relatively mild. However there may be some fantastic auroras this week. Go to spaceweather.com for updates.
Wednesday, September 6, 2017
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