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Hurry for 100 points and ! good answers only! 14. give a short description of star clusters. describe (1) how they are held together, (2) how old they are, and (3) how astronomers categorize them. 15. what types of stars make up open clusters, and what is the fate of these stars? 16. describe the cluster that includes our own sun. 17. how do globular clusters differ from open clusters? 18. two star clusters visible to the naked eye are and
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