Kepler's Physical AstronomyFrom Hipparchus and Ptolemy in the ancient world, through Copernicus and Brahe in the sixteenth century, astronomers had used geometrical models to give a kinematic account of the movements of the sun, moon, and planets. Johannes Kepler revolutionized this most ancient of sciences by being the first to understand astronomy as a part of physics. By closely and clearly analyzing the texts of Kepler's great astronomical works, in particular the Astronomia nova of 1609, Bruce Stephenson demonstrates the importance of Kepler's physical principles--principles now known to be "incorrect"--in the creation of his first two laws of planetary motion.From Hipparchus and Ptolemy in the ancient world, through Copernicus and Brahe in the sixteenth century, astronomers had used geometrical models to give a kinematic account of the movements of the sun, moon, and planets. Johannes Kepler revolutionized this most ancient of sciences by being the first to understand astronomy as a part of physics. By closely and clearly analyzing the texts of Kepler's great astronomical works, in particular the Astronomia nova of 1609, Bruce Stephenson demonstrates the importance of Kepler's physical principles--principles now known to be "incorrect"--in the creation of his first two laws of planetary motion. |
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Contents
Preface | 1 |
Introduction 47 Chapter 39 7680 9193 101 109 | 39 |
Chapter 2 2430 7879 Chapter 40 8087 89 9596 108109 | 40 |
Chapter328 130 | 41 |
Chapter 5 31 38 67 104 Chapter 42 88 | 42 |
Chapter 6 3839 104 Chapter 43 8890 124 | 43 |
Chapter 9 3940 Chapter 44 9091 | 44 |
Chapter 1015 41 Chapter 45 9194 9798 106 124 | 45 |
Chapter 24 5354 Chapter 51 103104 106 109110 | 51 |
Chapter 25 5455 Chapter 52 106 | 52 |
Chapter 26 5556 87 106 Chapter 53 105106 110 | 53 |
Chapter 2728 56 87 106 Chapter 56 106109 124 128 | 56 |
Chapter 2930 5661 Chapter 57 71 110121 131 147 150 | 57 |
Chapter 3161 153155 | 119 |
Chapter 33 6770 75 170 157 169 | 124 |
Chapter 35 71 Chapter 60 130 171 | 130 |
Chapter 16 4244 89 126 | 46 |
Chapter 20 46 Chapter 47 9798 126129 | 47 |
Chapter 21 4749 Chapter 48 98100 | 48 |
Chapter 22 5052 Chapter 49 100103 107 121 | 49 |
5253 Chapter 50 98 | 50 |
Epitome of Copernican Astronomy | 138 |
Kepler and the Development of Modern Science | 202 |
| 217 | |
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Common terms and phrases
angle aphelion approximation apsidal line area law argument Astronomia nova astronomy axis body calculations Chapter circular orbit circular sectors circumference circumsolar coequated anomaly component computed conchoid construction Copernican Copernicus deflection delay direction distance law distance theory earth earth's orbit eccentric anomaly ecliptic ellipse epicycle Epitome equal equant center equation of center equivalent error evection explain Figure geometrical heliocentric hence increments inequality Kepler Kepler's physics latitude theory libration theory libratory force longitude lunar theory Mars mathematical mean anomaly mean distances mean ecliptic mean sun measured moon moon's motion in latitude moved the planet nodes optical equation oval path perihelion perpendicular physical equation physical theory planet moved planet's distance planetary mind planetary motion planetary theory position precisely problem proportion to distance Ptolemy quadrant radius ratio rotation second anomaly simple solar image solar radius solar theory sphere sun's sunlight synodic month syzygies triangle true anomaly variation velocity versed sine
