What does Kepler's first law of planetary motion imply? - ProProfs Discuss
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What does Kepler's first law of planetary motion imply?



A. A planet moves at a constant speed at all points in its orbit.
B. Uniform circular motion is adequate to describe the motion of all planets.
C. The distance between the planet and the sun changes as the planet orbits the sun.
D. The distance that a planet is from the sun depends on the mass of the planet.
E. Planets closer to the sun than Earth will show retrograde motion

This question is part of Astronomy 101 Review for Final Exam
Asked by Broushel, Last updated: May 29, 2020

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broushel

Broushel

Answered Dec 14, 2017

The distance between the planet and the sun changes as the planet orbits the sun.
 

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