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View Full Version : Largest Sunspot in Years Now on the Sun



Fraser
2011-Nov-04, 02:30 AM
One of the largest sunspots in years has come into view, rotating over the Sun’s northeastern limb on November 3, 2011. And it’s an feisty one, too. The Solar Dynamics Observatory team called Active Region 1339 a “Bad Boy,” as at 20:27 UTC, a solar flare peaked at X1.9. X-class flares are massive, and can [...]

More... (http://www.universetoday.com/90653/largest-sunspot-in-years-now-on-the-sun/)