The Vera C. Rubin Observatory has already uncovered two previously unknown companions of the Milky Way using preliminary observations covering just 7% of the night sky. The discoveries include an extremely faint galaxy 355,000 light-years away and a star cluster hidden behind cosmic dust. Scientists suspect hundreds of additional satellite galaxies remain undiscovered, and Rubin's powerful telescope could finally bring them into view.
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[ H/T ScienceDaily ]
