What are the differences between open star clusters and globular star clusters?
A.) Open clusters are more concentrated, older, and have more stars.
B.) Open clusters are less concentrated, older, and have fewer stars.
C.) Open clusters are less concentrated, younger, and have more stars.
D.) Open clusters are less concentrated, younger, and have fewer stars.
E.) Open clusters are more concentrated, younger, and have more stars.
Ans: D.) Open clusters are less concentrated, younger, and have fewer stars.
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