The Origin and Evolution of the Solar System

xContentsPART 3Current theories 1415 A brief survey of modern theories 1435.1 The method of surveying theories 1435.2 The Proto-planet Theory 1445.3 The Capture Theory 1465.4 The Solar Nebula Theory 1495.5 The Modern Laplacian Theory 1515.6 Analysing the modern theories 1556 The Sun, planets and satellites 1566.1 Surveying extant theories 1566.2 Formation of the Sun: dualistic theories 1566.2.1 The magnetic braking of solar spin 1586.2.2 The solar spin axis 1626.3 Formation of the Sun: monistic theories 1636.3.1 Removing angular momentum from a collapsing nebula 1636.4 Formation of planets 1696.4.1 Planets from the Proto-planet Theory 1696.4.2 Planets from the Capture Theory 1716.4.3 Planets from the Solar Nebula Theory 1846.4.4 Planets from the Modern Laplacian Theory 1926.5 Formation of satellites 1956.5.1 Satellites from the Proto-planet Theory 1966.5.2 Satellites from the Modern Laplacian Theory 1986.5.3 Satellites from the Capture Theory 1986.6 Successes and remaining problems of modern theories 2046.6.1 The Solar Nebula Theory 2046.6.2 The Accretion Theory 2056.6.3 The Modern Laplacian Theory 2056.6.4 The Capture Theory 2066.6.5 The Proto-planet Theory 2077 Planetary orbits and angular momentum 2097.1 The evolution of planetary orbits 2097.1.1 Round-off due to tidal effects 2097.1.2 Round-off in a resisting medium 2107.1.3 Bode’s law 2147.1.4 Commensurability of the Jovian satellite system 2157.1.5 Commensurability of planetary orbits 2167.2 Initial planetary orbits 2217.2.1 The Accretion and Solar Nebula Theories 2227.2.2 The Proto-planet Theory 2237.2.3 The Capture Theory 223