Philosophy 167: Class 14 - Part 4 - The Copernican Scholium: Inordinate Complexity in the Actual Planetary Motions, and the Difficulty of Determining Correct Keplerian Orbits.
Smith, George E. (George Edwin), 1938-
2014-12-09
Description
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."