On an H-R diagram, stellar radii
A. are greatest in the lower left and least in the upper right.
B. decrease from left to right.
C. are impossible to determine.
D. increase diagonally from the lower left to the upper right.
Answer:D
On an H-R diagram, stellar radii
A. are greatest in the lower left and least in the upper right. B. decrease from left to right. C. are impossible to determine. D. increase diagonally from the lower left to the upper right.