Scientists today do not accept the Ptolemaic model because
A) it is ancient history.
B) it was too complicated, compared to Copernicus' heliocentric model.
C) it has been shown that Ptolemy faked his data.
D) it had no explanation for retrograde motion.

Question

Quizplus · Accepted Answer

The Ptolemaic model was geocentric and required complex systems of epicycles to explain planetary motion, whereas the heliocentric model by Copernicus provided a simpler and more accurate explanation for the observed motions, including retrograde motion.

Scientists Today Do Not Accept the Ptolemaic Model Because