01456cgm a2200361 i 4500 2550458657 TxAuBib 20240906120000.0 r 180507|||||||||||||||||||||||||||||eng|u 3507035 Kanopy (OCoLC)1035088298 VDU eng rda VDU TxAuBib rda Achievements and Legacy of Ptolemy [Kanopy]. The Great Courses, 2017. [San Francisco, California, USA : Kanopy Streaming, 2018. 1 online resource (streaming video file) (30 minutes) : digital, .flv file, sound. tdi rdacontent c rdamedia cr rdacarrier Title from title frames. Film. In Process Record. Bradley E. Schaefer. Originally produced by The Great Courses in 2017. Ptolemy has been called the greatest astronomer of antiquity. But was he? Evaluate his reputation by focusing on his star catalog, celestial coordinate system, and magnitude scale. Then gauge the extent of his influence over later astronomers, which lasted over a thousand years. Mode of access: World Wide Web. Astronomy. Education films. The Great Courses (Firm). Kanopy (Firm). https://USERNAME.kanopy.com/node/2507036 https://www.kanopy.com/node/2507036/external-image