Based on your knowledge of the H-R diagram,which of the descriptions of a star cluster is astrophysical nonsense?
A) A complete main sequence with no red giants and no white dwarfs
B) A complete main sequence except no O stars,there are some red giants
C) A complete main sequence,no red giants but a large number of white dwarfs
D) No stars of spectral classes O,B,or A,but red giants and white dwarfs
Correct Answer:
Verified
Q12: Which of the following occurs just after
Q13: Cluster A has no stars of spectral
Q14: What do all main sequence stars have
Q15: What is the general name for a
Q16: The age of a cluster can be
Q18: All the stars in a cluster are
Q19: As soon as its core hydrogen is
Q20: The most important factor affecting a star's
Q21: The sequence of reactions by which stars
Q22: What is the triple alpha process?
A)A fraternity
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