File:Sunspots 1302 Sep 2011.jpg: Revision history

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22 June 2016

  • curprev 12:2312:23, 22 June 2016Pduffy talk contribs 485 bytes +485 Sunspot 1302 has already produced two X-flares (X1.4 on Sept. 22nd and X1.9 on Sept. 24th). Each of the dark cores in this image from SDO is larger than Earth, and the entire active region stretches more than 100,000 km from end to end. The sunspot's m...