Stars that lie in different places on the main sequence of the H-R diagram differ from each other mainly by having different:
A) compositions
B) internal structure
C) masses
D) radial velocities
E) ways that they formed

Question

Quizplus · Accepted Answer

Stars on the main sequence differ mainly by their mass, which affects their temperature, luminosity, and other properties. Other factors, such as composition and internal structure, may also contribute to differences among stars, but mass is the primary determinant. Radial velocity and formation history are not directly related to the position of stars on the H-R diagram.

Stars That Lie in Different Places on the Main Sequence