https://creativecommons.org/publicdomain/zero/1.0/ https://www.rawpixel.com/image/429670 Sidney Hall’s (1831) astronomical chart illustration of the Perseus and the Caput Medusae. Original from Library of…

Sidney Hall’s (1831) astronomical chart illustration of the Perseus and the Caput Medusae. Original from Library of Congress. Digitally enhanced by rawpixel.

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