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Great new book from my friend Markus J. Aschwanden -> https://t.co/2jRKclPO05 Well done. #astrophysics #solarphysics https://t.co/rZ1O2U4GiS
Great new book from my friend Markus J. Aschwanden -> https://t.co/2jRKclPO05 Well done. #astrophysics #solarphysics https://t.co/rZ1O2U4GiS