A blue main-sequence star will be ___________ compared to a blue supergiant of the same color.
A. dimmer and smaller.
B. dimmer and larger.
C. brighter and smaller.
D. brighter and larger.
Answer:A
A blue main-sequence star will be ___________ compared to a blue supergiant of the same color.
A. dimmer and smaller. B. dimmer and larger. C. brighter and smaller. D. brighter and larger.