If open clusters are considered younger than globular clusters, do open clusters eventually form to become globular clusters? If not, what is the life cycle of open clusters?
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Open clusters are made up of typically 10 - 100 young stars that formed more or less together and have not yet had time to drift apart. By the time they have grown old, they will no longer necessarily be in the same part of the sky. Globular clusters are gravitationally bound associations of typically millions of stars. Because they are permanently bound by their mutual gravity, they have had time to grow old together. The only thing open and globular clusters have in common is the word "cluster".
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