Astronomers analyzing 86,945 stars fromtheDark Energy Spectroscopic Instrument have identified 17 separate substructures within the Gaia-Sausage/Enceladus structure, including four newly discovered groups.
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A cornerstone of Milky Way history may need rewriting with evidence of multiple ancient mergers
86,945 Stars analyzed
17 Substructures identified
4 New groupsin GSE