In an extrasolar planetary system containing a single planet, the parent star is measured to move about its center of mass every 24 years. Given this, what is the orbital period of the planet?

Question

Quizplus · Accepted Answer

The orbital period of the planet is equal to the time it takes for the parent star to complete one orbit about the center of mass. Since the parent star completes one orbit every 24 years, this must also be the orbital period of the planet. Therefore, the correct answer is choice C.

In an Extrasolar Planetary System Containing a Single Planet, the Parent