The Sun's angry red spot

Bad Astronomy
By Phil Plait
Mar 15, 2012 4:00 PMNov 20, 2019 5:39 AM

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The Sun has been in a bit of a mood lately, spitting out some pretty big flares (including the second largest one of the current magnetic cycle). Alan Friedman, one of my favorite astrophotographers, caught the culprit sunspot, Active Region 1429, as it was nearing the edge of the Sun on Monday:

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