Open star clusters

alt label
Open clusters
dcterms modified equal to or less than 2020-11-03T19:54:49.086Zequal to or more than 2020-11-03T19:54:49.086Z
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definition A loose grouping of dozens or hundreds of young stars distributed in a region a few light-years across. Open clusters are relatively young, typically containing many hot, highly luminous stars. They are located within the disk of the Galaxy, whence their older name Galactic clusters.
narrower original
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contributor AAS_Frey.Katie_Admin original