The point around which two stars of unequal mass in a binary system appear to revolve is
A) closest to the more massive star.
B) halfway between the two star centers.
C) at the center of the more massive star.
D) closest to the less massive star.

Question

Quizplus · Accepted Answer

The point around which two stars in a binary system revolve, known as the barycenter, is closest to the more massive star. This is because the gravitational force is stronger from the more massive star, causing the barycenter to be located closer to it.

The Point Around Which Two Stars of Unequal Mass in a Binary