%0 PDF %T Notes to Philosophy 167: Class 9 -- Descartes' Principia: The Vortex Theory of the Heavens -- Part 6 - Part 7. %A Smith, George E. (George Edwin), 1938- %D 2015-09-02T18:00:53.739Z %8 2015-09-02 %I Tufts Archival Research Center %R http://localhost/files/cv43p797x %X Synopsis: The Sun, the Planets, and their Satellites -- The Physics of Curvilinear Motion -- The Underlying Physics of Orbital Motion.; Generally corresponds to the video segment: Class 9, Part 6 - 7. %G eng %[ 2022-02-02 %~ Tufts Digital Library %W Institution