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Questions and Answers
Which Greek philosopher is known for his contributions to astronomy and believed that the universe was geocentric?
Which Greek philosopher is known for his contributions to astronomy and believed that the universe was geocentric?
- Hipparchus
- Aristarchus
- Aristotle (correct)
- Eratosthenes
Who proposed a heliocentric model of the solar system, with the sun at the center?
Who proposed a heliocentric model of the solar system, with the sun at the center?
- Eratosthenes
- Aristotle
- Hipparchus
- Aristarchus (correct)
What was the main observational problem addressed by Ptolemy's geocentric system of planetary motion?
What was the main observational problem addressed by Ptolemy's geocentric system of planetary motion?
- The phases of the moon
- The rotation of the Earth
- The retrograde motion of planets (correct)
- The orbit of comets
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