It's Back! The Giant Sunspot Cluster That Caused Stunning Auroras Is Facing Earth Again
Briefly

from www.scientificamerican.com3 weeks ago
The gigantic sunspot cluster AR3664, now AR3697, reappeared and is expected to bring stormy space weather after unleashing considerable solar activity.
www.scientificamerican.comhttps://www.scientificamerican.com/article/the-sunspot-cluster-behind-the-recent-auroras-is-back/
Merging with another active region, AR3664 transformed into a larger cluster, increasing the likelihood of intense flares according to NASA heliophysicist Madhulika Guhathakurta.
www.scientificamerican.comhttps://www.scientificamerican.com/article/the-sunspot-cluster-behind-the-recent-auroras-is-back/
AR3664's record-breaking 65 M- and X-class flares in May, ranking 4th since 1976, along with the potential for successive X-class flares, highlight its uniqueness and significance.
www.scientificamerican.comhttps://www.scientificamerican.com/article/the-sunspot-cluster-behind-the-recent-auroras-is-back/
Read at www.scientificamerican.com
#ar3697 #solar-flares #space-weather #sunspot-cluster #heliophysics
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