SAT Subject Physics Practice Question 625: Answer and Explanation

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Question: 625

6. When Johannes Kepler developed his laws for the movement of planetary bodies, one of the laws stated that the orbits of the planets about the sun are

A. circular.
B. elliptical.
C. parabolic.
D. sinusoidal.
E. straight lines.

Correct Answer: B


The correct answer is (B). One of Kepler's observations in his laws of planetary motion was that the planets orbit the sun in elliptical orbits.

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