Copernican revolution (book): Difference between revisions
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'''The Copernican Revolution: Planetary Astronomy in the Development of Western Thought''' is a 1957 book by [[Thomas S. Kuhn]] | '''The Copernican Revolution: Planetary Astronomy in the Development of Western Thought''' is a 1957 book by [[Thomas S. Kuhn]] published by Harvard University Press. | ||
The book describes the ways Western Civilization looked | The book describes the manners and ways in which Western Civilization from antiquity to modern times contemplated the cosmos, that is, how it looked to our solar system with its surrounding stars. The book treats Copernicus' innovation: not the Earth but the Sun is in the center of the solar system, as a pivotal point in the development of cosmology. The book argues that the appearance of Copernicus' ''De Revolutionibus'' in 1543 initiated a long-lasting intellectual revolution that only ended with the appearance of Newton's ''Prinicipia'' in 1687. | ||
Chapter 1 explains a good deal of astronomical theory. It treats the apparent motion of the Sun as seen from Earth and introduces concepts as winter/summer [[solstice]] and vernal/autumnal [[equinox]]. It explains the ancient Two-Sphere Universe (a term coined by Kuhn), a tiny spherical Earth at the geometric center of the large rotating sphere of the stars. | Chapter 1 explains a good deal of astronomical theory. It treats the apparent motion of the Sun as seen from Earth and introduces concepts as winter/summer [[solstice]] and vernal/autumnal [[equinox]]. It explains the ancient Two-Sphere Universe (a term coined by Kuhn), a tiny spherical Earth at the geometric center of the large rotating sphere of the stars. | ||
Revision as of 12:15, 29 December 2009
The Copernican Revolution: Planetary Astronomy in the Development of Western Thought is a 1957 book by Thomas S. Kuhn published by Harvard University Press.
The book describes the manners and ways in which Western Civilization from antiquity to modern times contemplated the cosmos, that is, how it looked to our solar system with its surrounding stars. The book treats Copernicus' innovation: not the Earth but the Sun is in the center of the solar system, as a pivotal point in the development of cosmology. The book argues that the appearance of Copernicus' De Revolutionibus in 1543 initiated a long-lasting intellectual revolution that only ended with the appearance of Newton's Prinicipia in 1687.
Chapter 1 explains a good deal of astronomical theory. It treats the apparent motion of the Sun as seen from Earth and introduces concepts as winter/summer solstice and vernal/autumnal equinox. It explains the ancient Two-Sphere Universe (a term coined by Kuhn), a tiny spherical Earth at the geometric center of the large rotating sphere of the stars.
Chapter 2 deals with the planets (derived from the Greek word for "wanderer"). For the Greek and their successors the Sun was one of the seven planets (Sun, Moon, Mercury, Venus, Mars, Jupiter, and Saturn). The book details how the retrograde motion of the planets is explained by epicycles, small circles that rotate uniformly about a point on the circumference of a second rotating circle, the deferent. This theory culminated in the writing of the Almagest by Ptolemy.
Chapter 3 gives an account of Aristotelian cosmology and world view. The universe is bounded by the spheres of the stars and its interior is filled with aether. Further Aristotle believed that there were fifty-five crystalline shells and that these shells embodied a mathematical system of seven homocentric spheres carrying the planets.