Why do the H-R diagrams of young clusters show the least massive stars located above the zero-age main sequence?
A) They are always the first stars to form in a cluster
B) They take longer to reach the main sequence
C) They evolve away from the main sequence before more massive stars do
D) They are actually binaries,and thus seem overluminous
Correct Answer:
Verified
Q10: The H-R diagram of a cluster shows
Q11: Which of the following clusters is the
Q12: If nebular theories of the origin of
Q13: What process is responsible for the formation
Q14: As an interstellar cloud collapses to become
Q15: What is the evolutionary status of a
Q16: What were planetesimals?
A)Interplanetary grains
B)Bodies,as massive as the
Q17: The solar system
A)Took several billion years to
Q18: Which of the following is not easily
Q20: An HR diagram is a plot of:
A)amplitude
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