Archive: "comets" Tag

A very rare comet pamphlet

Special Collections’ newest addition to the History of Science collection is a comet pamphlet by Polish astronomer Johannes Hevelius. The Epistola ad amicum de cometa, anno 1677 (in English: Letter to a Friend on the Comet of 1677) is Hevelius’s rarest publication – only one other copy exists in North American libraries. Hevelius (pictured here …

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