quiz5 - Quiz 5 1)How did the Ptolemaic model explain the...

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Quiz 5 1)How did the Ptolemaic model explain the apparent retrograde motion of the planets? * A)It held that the planets moved along small circles that moved on larger circles around Earth. B)It held that sometimes the planets moved backward along their circular orbits. C)It varied the motion of the celestial sphere so that it sometimes moved backward. D)It held that the planets moved along small circles that moved on larger circles around the Sun. E)It placed the Sun at the center so that the planets’ apparent retrograde motion was seen as Earth passed each one in its orbit. 2)He discovered that Jupiter has moons. A)Kepler B)Aristotle C)Ptolemy * D)Galileo E)Tycho Brahe 3)When Copernicus first created his Sun-centered model of the universe, it did not lead to substantially better predictions of planetary positions than the Ptolemaic model. Why not? A)Copernicus misjudged the distances between the planets. B)Copernicus placed the Sun at the center but did not realize that the Moon orbits Earth.
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quiz5 - Quiz 5 1)How did the Ptolemaic model explain the...

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