Surface of the sun on 4/1/2017 featuring two active sunspot regions: AR 2645 (bottom) and AR 2644 (top)
AR 2645 has 25 sunspots while AR 2644 has 8
Surface of the sun on 4/1/2017 featuring two active sunspot regions: AR 2645 (bottom) and AR 2644 (top) AR 2645 has 25 sunspots while AR 2644 has 8 |
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