%0 Video %T Philosophy 167: Class 14 - Part 4 - The Copernican Scholium: Inordinate Complexity in the Actual Planetary Motions, and the Difficulty of Determining Correct Keplerian Orbits. %A Smith, George E. (George Edwin), 1938- %D 2015-09-03T18:29:40.413Z %8 2015-09-03 %I Tufts Archival Research Center %R http://localhost/files/jq085x96c %X Synopsis: The center of gravity is affected by all the planets, so orbits are far more complex than simple ellipses, and are never repeated.; Opening line: "Next is a long paragraph added to the scholium after theorem four. Theorem four is the three halves power rule for ellipses."; Duration: 16:13 minutes.; Segment: Class 14, Part 4. %G eng %[ 1972-12-31 %9 Video %~ Tufts Digital Library %W Institution