Question: Ptolemy was an ancient astronomer who thought Earth was the center of the universe. When he made observations that were inconsistent with this, he proposed a phenomenon called "epicycles" to explain the observations. How was Ptolemy's process similar to the modern scientific process?
Options:
Ptolemy based his model partly on a belief system.
Observations inspired Ptolemy to modify his explanations.
Ptolemy tried to describe the universe instead of explaining it.
Experiments were the basis of Ptolemy's model of the universe.
Answer: Observations inspired Ptolemy to modify his explanations.