The axes on a Hertzsprung-Russell (H-R) diagram represent
A) mass and luminosity.
B) luminosity and surface temperature.
C) luminosity and apparent brightness.
D) mass and radius.
Answer: B
The axes on a Hertzsprung-Russell (H-R) diagram represent
A) mass and luminosity.
B) luminosity and surface temperature.
C) luminosity and apparent brightness.
D) mass and radius.
Answer: B