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Question 2
The Copernican explanation for retrograde motion requires that:
the planets have circular orbits.
O only planets outside of Earth's orbit undergo retrograde motion.
O the planets have different orbital periods.
O the planets move on epicycles.
2 pts

Sagot :

GinnyAnswer

Final answer:

The Copernican explanation for retrograde motion and the role of epicycles in planetary motion.


Explanation:

The Copernican explanation for retrograde motion requires that:

  • the planets have circular orbits.
  • the planets move on epicycles.
  • the planets have different orbital periods.

Retrograde motion is when a planet appears to move backward in its orbit, which was initially explained by Ptolemy with epicycles. This contradicted the heliocentric model proposed by Copernicus where planets have elliptical orbits and retrograde motion is a result of Earth overtaking the slower-moving outer planets.


Learn more about planetary motion and retrograde motion here:

https://brainly.com/question/30455713


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