Which important stellar parameter can be derived from the study of binary stars mutually bound to each other by gravitational forces?
A) stellar masses
B) distances of the stars from Earth
C) ages of the stars
D) surface temperatures of the stars

Question

Quizplus · Accepted Answer

The masses of stars in a binary system can be determined by observing their orbital motions around their common center of mass, applying Kepler's laws of planetary motion. This method is one of the most direct and reliable ways to measure stellar masses.

Which Important Stellar Parameter Can Be Derived from the Study