Astronomy
Astronomy
1st Edition
ISBN: 9781938168284
Author: Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher: OpenStax
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Chapter 3, Problem 1E

State Kepler’s three laws in your own words.

Expert Solution & Answer
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To determine

The Kepler’s three laws.

Explanation of Solution

Introduction:

Copernicus gave the heliocentric model which described the sun to be the center of the solar system where planets, moons and other objects revolve around it in circular orbits. Later, Kepler used the data of Tycho Brahe and wrote three laws describing the planetary motion.

Kepler’s first law states that planets revolve about the sun in elliptical paths instead of circular paths. The sun lies at one of the foci of this elliptical path.

Kepler’s second law states that the line joining the planet and the sun sweeps equal areas in equal interval of time.

Kepler’s third law states that the square of period of orbit is directly proportional to the cube of the semi-major axis.

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Chapter 3 Solutions

Astronomy

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Kepler's Three Laws Explained; Author: PhysicsHigh;https://www.youtube.com/watch?v=kyR6EO_RMKE;License: Standard YouTube License, CC-BY