Question

Help will fan and medal ( no one will help me in physics)
Which of these assumptions is Ptolemy's model of planetary motion based on?



The sun moves around the earth.

The earth moves around the sun.

The stars do not move.

The earth is flat.

Answer 1

i think b

Answer 2

IT's either a or b

Answer 3

"But nearly all the early models, including Ptolemy’s version of the solar system, assumed that the Earth was the center of not only the solar system, but the entire universe."

Source: http://www.polaris.iastate.edu/EveningStar/Unit2/unit2_sub1.htm

Answer 4

Therefore B cannot be correct.

Answer 5

oh.

Answer 6

What could it be? @jiji501

Answer 7

As the quote says, the Earth was the center of the solar system, therefore everything moved around the Earth. Hence, A would be your answer.