The faster-moving star in a binary is:
A) the less massive star
B) the more massive star
C) the smaller radius star
D) the larger radius star
E) the lower temperature star

Question

Quizplus · Accepted Answer

In a binary system, the less massive star moves faster due to the gravitational influence of the more massive star, which causes it to have a higher orbital velocity to maintain the system's center of mass.

The Faster-Moving Star in a Binary Is