WordReference Random House Unabridged Dictionary of American English © 2026
star′ clus′ter, [Astron.]
  1. Astronomya number of stars of common origin held together as a group by gravitational attraction. Cf. globular cluster, open cluster, stellar association. 

'star cluster' also found in these entries (note: many are not synonyms or translations):
Cancer - Pleiades - Praesepe

Forum discussions with the word(s) "star cluster" in the title:


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