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. |
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actual amount analysis angle aphelion apparent approximation apsidal line area law argument Astronomia nova astronomy attracted axis body calculations carried Chapter circle circular coequated component computed consider constant construction correct corresponding course deflection delay determined direction discussion distance law earth eccentric anomaly ecliptic effect ellipse epicycle equal equation equivalent error explain fact fibers Figure final follow force geometrical given hence hypothesis important increments inequality inverse Kepler latitude length libration light longer longitude lunar magnetic Mars mathematical mean mean sun measured mind moon motion moved natural needed observations opposite orbit original oval path perihelion periodic perpendicular physical physical theory planet planetary position precisely problem proportional question radius ratio reason relation remarked represent rotation sector seemed simple sine solar speed sphere theory thought triangle true Tycho's variation varied virtue
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| Titill | Kepler's Physical Astronomy History of science Princeton paperbacks : History of science Princeton paperbacks |
| Höfundur | Bruce Stephenson |
| Edition | illustrated, reprint |
| Útgefandi | Princeton University Press, 1994 |
| ISBN | 0691036527, 9780691036526 |
| Length | 216 síður |
| Export Citation | BiBTeX EndNote RefMan |