What do we mean by the main-sequence turnoff point of a star cluster, and what does it tell us?
A) It is the spectral type of the hottest main sequence star in a star cluster, and it tells us the cluster's age.
B) It is the point in a star cluster beyond which main sequence stars are not found, and it tells us the cluster's distance.
C) It is the luminosity class of the largest star in a star cluster, and it tells us the cluster's age.
D) It is the mass of the most massive star in the star cluster, and it tells us the cluster's size.
Correct Answer:
Verified
Q79: The sketch above shows groups of stars
Q82: The sketch above shows groups of stars
Q108: On an H-R diagram,stellar masses
A)can be determined
Q114: How is the lifetime of a star
Q115: Which of the following statements comparing open
Q117: To calculate the masses of stars in
Q118: What is the common trait of all
Q120: Star A is identical to Star B,
Q123: How did astronomers discover the relationship between
Q124: The choices below each describe the appearance
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents