PHYSICS
THE EVOLUTION OF PHYSICS
CONTENTS 1 THE STRUCTURE OF THE SOLAR SYSTEM 2 OBSERVATIONS AND THEORIES OF STAR FORMATION 3 WHAT SHOULD A THEORY EXPLAIN? 4 THEORIES UP TO 1960 5 A BRIEF SURVEY OF MODERN THEORIES 6 THE SUN, PLANETS AND SATELLITES 7 PLANETARY ORBITS AND ANGULAR MOMENTUM 8 A PLANETARY COLLISION 9 THE MOON 10 SMALLER PLANETS AND IRREGULAR SATELLITES 11 ASTEROIDS, METEORITES AND COMETS 12 COMPARISONS OF THE MAIN THEORIES