Multiple Choice
Which is used observationally to determine the age of a star cluster?
A) the total number of main sequence stars
B) the ratio of giants to supergiants
C) the luminosity of the main sequence turn-off point
D) the number of white dwarfs
E) the amount of dust that lies around the cluster
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q9: Which of these will the Sun probably
Q10: Discuss the source of energy for a
Q11: What spectral type of star that is
Q12: A(n)_ stage is a relatively gentle mass-loss
Q13: What element are most white dwarfs primarily
Q15: How have Hubble images revised our view
Q16: During various stages of evolution, low mass
Q17: Evolution of a star off the main
Q18: What temperature is needed to fuse helium
Q19: The matter in white dwarfs is about