Universe: Stars And Galaxies
Universe: Stars And Galaxies
6th Edition
ISBN: 9781319115098
Author: Roger Freedman, Robert Geller, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 4, Problem 1Q
To determine

The explanation of ancient Greeks regarding the change of the position of the Sun and the Moon relative to the background stars.

Expert Solution & Answer
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Answer to Problem 1Q

To explain slowly changing position of the Sun and the Moon with respect to the background stars, the ancient Greeks thought that both objects orbit around earth.

Explanation of Solution

Introduction:

Today heliocentric model of the solar system is excepted. The sun is at the center of the solar system and Earth along with planets revolve around it in elliptical paths.

The ancient Greeks thought that the planets follow an ornate combination of circular paths. They assumed Earth to be at the center of the solar system and the Sun and the Moon slowly revolving about the stationary Earth with respect to the background stars.

Conclusion:

Ancient Greeksassumed Earth to be at the center of the solar system with and the Sun and the Moon slowly revolving about it.

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