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Question: retrograde motion refers to the oa eastward motion of the...

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Retrograde Motion refers to the OA eastward motion of the Sun relative to the stars. OBwestward motion of the Moon relative to the horizon. OCeastward motion of the plan C eastward motion of the planets relative to the stars D westward motion of the planets relative to the stars. EJ Fullscreen OE westward motion of the planets relative to the horizon.
Which of these was the Solar System model that assumed the Earth is fixed and the Sun, Moon, and planets all move on epicycles that, in turn move on circular orbits around the Earth? OA Copernican model. OBTychonic model. ° C Keplerian model. D Ptolemaic model
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