Figure 12-1: Main-Sequence Stars

question 23

Multiple Choice

Figure 12-1: Main-Sequence Stars
What is the approximate age of the star cluster in the accompanying figure (Figure 12-1) ?

• A) 10 million years
• B) 100 million years
• C) 10 billion years
• D) 100 billion years
• E) Cannot be determine from the given data.

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