1. star cluster
2. Star clusterStar clusters or star clouds are groups of stars. Two types of star clusters can be distinguished: globular clusters are tight groups of hundreds of thousands of very old stars which are gravitationally bound, while open clusters, more loosely clustered groups of stars, generally contain fewer than a few hundred members, and are often very young.
Read “Star cluster” on English Wikipedia
Read “星団” on Japanese Wikipedia
Read “Star cluster” on DBpedia
Read “Star cluster” on English Wikipedia
Read “星団” on Japanese Wikipedia
Read “Star cluster” on DBpedia
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