On an H-R diagram, stellar masses
A. can be determined for main-sequence stars but not for other types of stars.
B. are greatest in the lower left and least in the upper right.
C. decrease from upper left to lower right.
D. are impossible to determine.
Answer:A
On an H-R diagram, stellar masses
A. can be determined for main-sequence stars but not for other types of stars. B. are greatest in the lower left and least in the upper right. C. decrease from upper left to lower right. D. are impossible to determine.