Binary star systems are extremely useful in studying stars because they allow us to determine stars' masses.

Question

Quizplus · Accepted Answer

Binary star systems are useful in studying stars' masses because the stars in a binary system orbit around a common center of mass, with the period and distance of their orbits dependent on their masses. By analyzing the period and distance of the orbits, astronomers can calculate the masses of the stars in the system.

Binary Star Systems Are Extremely Useful in Studying Stars Because