Comets of the 17th century
L. Tom Perry Special Collections contains a variety of comet pamphlets by European astronomers of the 16th and 17th centuries. If you enjoyed (or missed) comet NEOWISE this summer, we’d like to share some delightful woodcut illustrations from recent acquisitions to this collection. This engraving, from Erhard Weigel’s Speculum Uranicum aquilae Romanae sacrum (1661), depicts …