open clulster with the absense of materials - SERP Analysis

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https://www.mdpi.com/2218-1997/8/2/111

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http://www.biorxiv.org/content/10.1101/2025.06.19.660557

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https://www.newscientist.com/article/2277966-star-cluster-lurking-in-the-shadows-may-help-explain-galactic-mystery/

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https://www.universetoday.com/articles/the-closest-star-cluster-spat-out-an-extremely-massive-white-dwarf

https://www.nsd.org/

https://www.astroleague.org/open-cluster-observing-program/

https://www.fraunhofer.de/en.html

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https://training.linuxfoundation.org/certification/certified-kubernetes-application-developer-ckad/

https://www.sci.news/astronomy/ancient-binary-open-cluster-10177.html