Two planets are orbiting a star. Planet A is closer to the star than Planet B. Which description explains the expected motion of Planets A and B?
Group of answer choices
The average speed of Planet B is faster than that of Planet A.
The average speed of Planet A is equal to that of Planet B.
The orbital period of Planet B is shorter than that of Planet A.
The orbital period of planet A is shorter than that of Planet B.
Answers: 3
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