2026-09-14 23:55:53
Empirical flare energy limits for the largest historical sunspots / Linking solar magnetism, extreme solar particle events and stellar superflares: #Superflares: https://www.mps.mpg.de/sun-new-evidence-of-superflares?c=2169 - the giant sunspot of 1947 had the potential to trigger a massive solar flare.
