Which stars in globular clusters are believed to be examples of mergers?

Question

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Blue stragglers are believed to be examples of mergers. They are stars that appear to be younger than the other stars in the globular cluster, suggesting that they have undergone a merger with another star. Blue stragglers are believed to be examples of mergers in globular clusters. They are stars that appear younger and bluer than the other stars in the cluster, which suggests that they formed relatively recently by the collision and merger of two or more smaller stars.

Which Stars in Globular Clusters Are Believed to Be Examples