NATS 1745 Study Guide - Final Guide: Copernican Heliocentrism, Orbital Speed, Ellipse
28 Nov 2014
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He measured the coordinates of the planets during the conjunction and he found that the coordinates predicted by the ptolemaic and copernican models were wrong and the dates were wrong for this conjunction as well. The copernican date was off by 2 days and the ptolemaic was off by a month. During his time it was believed that the stars lasted forever, they cant be born or die. This new star followed the other stars in the constellation. This implied that stars could appear and disappear. Describe (briefly) how it should affect our view of the stars. The perceived shift of an object relative to its background due to the motion of the observer. The more distant the object, the smaller its parallax. When he observed the stars he couldn"t detect parallax. The nearby stars should appear to move past us faster than the distant stars. The planets orbit the sun, while the sun (and moon) orbit the.
