If the Stars at the Turnoff Point of a Cluster

question 75

Multiple Choice

If the stars at the turnoff point of a cluster have a mass of 3 M , what is the age of the cluster?

• A) 3.0 × 10¹⁰ years
• B) 3.3 × 10⁹ years
• C) 6.4 × 10⁸ years
• D) 1.6 × 10¹¹ years
• E) The age of a star cluster cannot be determined from the mass of stars at the turnoff point.

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