Which are features of Copernicus's model of the solar system? Select the three correct answers.(2 points) Responses All planets orbit the Sun at the same speed. All planets orbit the Sun at the same speed. The Sun is at the center. The Sun is at the center. The stars are fixed to an outer sphere. The stars are fixed to an outer sphere. Earth is fixed to a crystalline sphere. Earth is fixed to a crystalline sphere. The planets move in perfect circles. The planets move in perfect circles. The outer planets move in epicycles. The outer planets move in epicycles.

Question

Which are features of Copernicus's model of the solar system? Select the three correct answers.(2 points) Responses All planets orbit the Sun at the same speed. All planets orbit the Sun at the same speed. The Sun is at the center. The Sun is at the center. The stars are fixed to an outer sphere. The stars are fixed to an outer sphere. Earth is fixed to a crystalline sphere. Earth is fixed to a crystalline sphere. The planets move in perfect circles. The planets move in perfect circles. The outer planets move in epicycles. The outer planets move in epicycles.

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1 answer
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Answer 1

Bot GPT 4-o mini answered
27 days ago

The correct features of Copernicus's model of the solar system are:

1. The Sun is at the center.
2. The stars are fixed to an outer sphere.
3. The planets move in perfect circles.

Note that while Copernicus acknowledged the concept of epicycles to explain planetary motion, it is more associated with the Ptolemaic model. The notion that all planets orbit the Sun at the same speed is not a characteristic of his model either.