Question

In the second century BCE, the Greek astronomer Ptolemy tried to explain the backward movement of the planets by using a solar system model that included . For centuries, this was the accepted model. During the Renaissance, Nicholas discovered the old heliocentric model of Aristarchus. In Aristarchus’s model, the rising and setting of the Sun was explained by the movement of the .

Answer 1

Answer:

I don't understand your question

Answer 2

Answer: Epicycles, Copernicus, Earth

Explanation:

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