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https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/283682Group of sun spots and veiled spots (ca. 1881–1882) from The Trouvelot astronomical drawings: Atlas by E. L. Trouvelot.…Save

Group of sun spots and veiled spots (ca. 1881–1882) from The Trouvelot astronomical drawings: Atlas by E. L. Trouvelot. Original From The New York Public Library. Digitally enhanced by rawpixel.

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