PHYS 1000 Chapter Notes - Chapter 2: Circular Motion, Natal Astrology, Geocentric Model
26 Jan 2019
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Chapter 2: observing the sky: the birth of astronomy. 2. 2 ancient astronomy: ancient greeks such as aristotle recognized that earth and the moon are spheres, and understood the phases of the moon, but because of their inability to detect stellar parallax, they rejected the idea that. Earth moves: this geocentric model, based on combinations of uniform circular motion using epicycles, was accepted as authority for more than a thousand years. 2. 4 the birth of modern astronomy: nicolaus copernicus introduced the heliocentric cosmology to. 2: celestial equator a great circle on the celestial sphere 90 from the celestial poles; where the celestial sphere intersects the plane of. 3: ancient times, any object that moved regularly among the fixed stars, precession (of earth) the slow, conical motion of earth"s axis of rotation caused principally by the gravitational pull of the moon and.
