Definition 1 is: A group of galaxies held together by gravity.
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Associations with galaxy cluster, Definition 1, are:
The plural of galaxy cluster is: galaxy clusters. The possessive of galaxy cluster is: galaxy cluster's.
Within the hierarchical structure, this down link is to galaxy and this up link is to universe.
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Last update of this page:
2000 MAR 02 Pronunciation added. Hierarchical links corrected.
1999 JUL 20