Astronomical Lore in Chaucer

Scientific

ough the inaccurate and unsatisfactory methods of astronomical investigation then in use have been supplanted by the better methods made possible through Galileo's invention of the telescope and through the modern use of spectrum analysis; yet, of all scientific subjects, the astronomy of that period could most nearly lay claim t

olabe, a very technical and detailed knowledge of astronomical and astrological lore is displayed. There is every reason to suppose that, so far as it satisfied his purposes, Chaucer had made himself familiar with the whole literature of a

on the Astrolabe by Messahala[2], called, in the Latin translation which Chaucer used, "Compositio et Operatio Astrolabie." This work may have been ultimately derived from a Sanskrit copy, but from Chaucer's own words in the Prologue to the Astrolabe[3] it i

7] a set of tables composed by order of Alphonso X, king of Castile, and so called because they were adapted to the city of Toledo. Works which served Chaucer not as sources of information on scientific subjects but as models for the treatment of astronomical lore in literature were the De Consolatio