You observe a star and you want to plot it on an H-R diagram. You will need to measure all of the following, except the star's
A) mass.
B) distance.
C) apparent brightness.
D) spectral type.
Answer: A
You observe a star and you want to plot it on an H-R diagram. You will need to measure all of the following, except the star's
A) mass.
B) distance.
C) apparent brightness.
D) spectral type.
Answer: A