Question

The geocentric model could not explain which of the following observations made by early astronomers? Select the two correct answers.(1 point) Responses Mercury and Venus changed in appearance throughout the year. Mercury and Venus changed in appearance throughout the year. The stars appeared to move. The stars appeared to move. Mars and Jupiter appeared to move backwards for some period of time. Mars and Jupiter appeared to move backwards for some period of time. The planets had epicycles.

Answer 1

The correct answers are:
1) Mars and Jupiter appeared to move backwards for some period of time.
2) The planets had epicycles.