RT @earthskyscience: Airplane over Manhattan today passed in front of sun … and giant sunspot AR2529
Photo: Alexander Krivenyshev https://t.co/wLHoTXSVWU
RT @earthskyscience: Airplane over Manhattan today passed in front of sun … and giant sunspot AR2529
Photo: Alexander Krivenyshev https://t.co/wLHoTXSVWU