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Showing posts with label Sunspot Magnetic Fields for the I.G.Y.: With Analysis and Daily Maps Prepared at the Crimean Astrophysical Observatory Under the Direction of Professor A. B. Severny. Show all posts
Showing posts with label Sunspot Magnetic Fields for the I.G.Y.: With Analysis and Daily Maps Prepared at the Crimean Astrophysical Observatory Under the Direction of Professor A. B. Severny. Show all posts