In the above H-R diagram, which main sequence star is biggest in size?
A) A
B) B
C) C
D) D
E) E

Question

Quizplus · Accepted Answer

The main sequence stars are located on the diagonal line from the top left to the bottom right of the H-R diagram. The stars on the top left are hotter and more luminous, while the stars on the bottom right are cooler and less luminous. The size of a star is determined by its luminosity, with more luminous stars being larger. Therefore, the largest main sequence star in the H-R diagram is star A, which is the hottest and most luminous star on the main sequence.

In the Above H-R Diagram, Which Main Sequence Star Is