Two Identical Planets Orbit a Star in Concentric Circular Orbits

question 34

Multiple Choice

Two identical planets orbit a star in concentric circular orbits in the star's equatorial plane. Of the two, the planet that is farther from the star must have

• A) the smaller period.
• B) the greater period.
• C) the smaller gravitational mass.
• D) the larger gravitational mass.
• E) the larger universal gravitational constant.

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