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And as fast as it grew to what looked like a monster flare. Bummer. That sunspot was huge. Easily dwarfed Earth.
"SUBSIDING SUNSPOT: After three days of meteoric growth, sunspot AR1363 has reversed course and is beginning to decay. As its magnetic field relaxes, the active region poses a subsiding threat for strong flares. It's not dead yet, though, as this snapshot shows:"
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