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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? planet b orbits faster than planet a. planet b has a shorter orbital period than planet a. planet a orbits faster than planet b. planet a has an equal orbital period to planet b.
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Two planets are orbiting a star. planet a is closer to the star than planet b. which description exp...
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