Title: Conformément aux observations d'Hipparque
Description: "The Papyrus Fouad inv. 267A, a document of exceptional importance for the history of ancient astromony, consists of a fragment of a treatise written in Alexandria around 130 A.D. The preserved part, which occupies the recto and verso of a single folio, deals with the Sun, whose longitude is calculated according to three different years: the sidereal year, the "mean year" of 365 and 1/4 days, and the tropical year."--
Subjects: Ancient Astronomy, Early works to 1800, Greek Astronomy, Observations, Société Fouad I de papyrologie (Cairo, Egypt), Astronomy, ancient, Sun
Places: Sun
People: Hipparchus (active 190 B.C.-127 B.C)