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AST A105 Homework2

AST A105 Homework2 - A105 Homework#2 Spring 2012 Sec 26869...

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A105 Homework #2 Spring 2012, Sec. 26869 1. Which of the following fundamental misconceptions made Ptolemy's geocentric model very complicated and prevented it from adequately describing the movements of bodies in the Solar System? I) The Sun is at the center of the universe. II) All heavenly bodies move in combinations of perfect circles. III) The Earth is at the center of the universe. IV) The stars never move. A) I and IV B) II only C) III only D) II and III. 2. Galileo discovered that Venus goes through a cycle of phases like the Moon. This suggested that 3. Apparent retrograde motion of Mars is explained by a) the Ptolemaic model b) the Copernican model c) the Platonic model
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d ) both a and b e) none of the above 4. Which of the following statements concerning the Heliocentric model of Copernicus is NOT true of the superior planets other superior planets 5. The revolution epitomized by Copernicus that still dominates scientific thought could be described as having moved our view of mankind's place in the universe from
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