Which famous scientist's geocentric model did Ptolemy expand upon?
Hipparchus
Aristotle
Galileo
Archimedes
Answer
Ptolemy expanded upon the geocentric model of the universe originally proposed by the Greek astronomer Hipparchus. In this model, the Earth is at the center of the universe, with the Sun, Moon, and other celestial bodies orbiting around it.
Discovering the Epitome of Knowledge: A Ptolemy Quiz