When Copernicus First Created His Sun-Centered Model of the Universe,it

question 16

Multiple Choice

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 misjudged the speeds at which the planets orbit the Sun.
• C)Copernicus placed the planets in the wrong order going outward from the Sun.
• D)Copernicus placed the Sun at the center but did not realize that the Moon orbits Earth.
• E)Copernicus used perfect circles for the orbits of the planets,whereas planets actually have elliptical orbits.

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