Open star clusters are prevalent stellar structures in the Milky Way. Astronomers think their could be 100,000 of them. But they're not all the same: some are binary clusters, and within those, there's a hierarchy based on how they form. Recent research explores the different types and how many of e...
Just Like Stars, Open Clusters Can Form Binary Pairs
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May 28, 2026 •
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Original source:
Universe Today
