3 Questions
Which Greek philosopher is known for his contributions to astronomy and believed that the universe was geocentric?
Aristotle
Who proposed a heliocentric model of the solar system, with the sun at the center?
Aristarchus
What was the main observational problem addressed by Ptolemy's geocentric system of planetary motion?
The retrograde motion of planets
Study Notes
Test your knowledge on Greek philosophers and their contributions to astronomy, including geocentric and heliocentric models of the universe. Learn about the main observational problems addressed by Ptolemy's geocentric system of planetary motion.
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