An
open cluster refers to a group of stars that are relatively close together and are held together by their mutual gravitational attraction.
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«open»
«cluster»
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Phrases with «open cluster»
Sentences with «open cluster»
- Wide - field imaging surveys on moderate - size telescopes can now efficiently derive rotation periods for hundreds to thousands of open cluster members, providing unprecedented sample sizes which are ripe for exploration. (arxiv.org)
- It became possible in the 1990s to discover very young open clusters that previously had been entirely hidden in deep, dusty regions. (britannica.com)
- He considered it to be one of the older open clusters. (maa.clell.de)
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