More Mammoth Solar Flares Expected From 'Old Faithful' Sunspot, Scientists Say

A giant plume of ionized gas called plasma (to the right) leaps off the sun from sunspot 1283 in this photo snapped by NASA's Solar Dynamics Observatory. This sunspot spouted four solar flares and three coronal mass ejections from Sept. 6-8, 2011

An active region of the sun that blasted out powerful solar storms four days in a row last week likely isn't done yet, scientists say.

Officially, the flare-spouting region is called sunspot 1283. But space weather experts have dubbed it "Old Faithful," after the famous geyser in the United States' Yellowstone National Park that goes off like clockwork. And the solar Old Faithful should erupt again before it dissipates, researchers said.

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