A H-R diagram is made for two star clusters, Cluster A and Cluster B.Cluster A has stars of spectral type A, while Cluster B has no such stars.What can we conclude about these two clusters from this information?
A) Cluster A has more total stars than Cluster B.
B) Cluster A is more distant than Cluster B.
C) Cluster A has less iron present than Cluster B.
D) Cluster A is younger than Cluster B.
E) Nothing can be determined without more information.
Correct Answer:
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