The Age of Stars in a Cluster Can Be Determined

question 38

Multiple Choice

The age of stars in a cluster can be determined by

• A) fitting the position of the main sequence to the Sun.
• B) determining the main sequence turnoff point.
• C) finding pulsating variable stars in the cluster.
• D) finding spectroscopic binaries in the cluster.
• E) counting the number of stars in each spectral class.

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