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Contents
PAGE
§§ 89-90. | Detailed theory of the planets : defects of the theory |
121 |
§ 91. | Coppernicus's use of epicycles |
122 |
§ 92. | A difficulty in his system |
123 |
CHAPTER V.
125-144 |
§§ 93-4. | The first reception of the De Revolutionibus : Reinhold : the Prussian Tables |
125 |
§ 95. | Coppernicanism in England : Field, Recorde, Digges |
127 |
§ 96. | Difficulties in the Coppernican system : the need for progress in dynamics and for fresh observations |
127 |
§§ 97-8. | The Cassel Observatory : the Landgrave William IV., Rothmann, and Bürgi : the star catalogue : Bürgi's invention of the pendulum clock |
128 |
§ 99. | Tycho Brahe : his early life |
130 |
§ 100. | The new star of 1572 : travels in Germany |
131 |
§§ 101-2. | His establishment in Hveen : Uraniborg and Stjerneborg : life and work in Hveen |
132 |
§ 103. | The comet of 1577, and others |
135 |
§ 104. | Books on the new star and on the comet of 1577 |
136 |
§ 105. | Tycho's system of the world : quarrel with Reymers Bär |
136 |
§ 106. | Last years at Hveen : breach with the King |
138 |
§ 107. | Publication of the Astronomiae Instauratae Mechanica and of the star catalogue : invitation from the Emperor |
139 |
§ 108. | Life at Benatek : co-operation of Kepler : death |
140 |
§ 109. | Fate of Tycho's instruments and observations |
141 |
§ 110. | Estimate of Tycho's work : the accuracy of his observations : improvements in the art of observing |
141 |
§ 111. | Improved values of astronomical constants. Theory of the moon : the variation and the annual equation |
143 |
§ 112. | The star catalogue : rejection of trepidation : unfinished work on the planets |
144 |