W. M. Keck Observatory - Faintest Known Star System Orbiting The Milky Way Discovered From Hawaiʻi:
https://keckobservatory.org/uma3-u1/
#UrsaMajorIII #UNIONS1 #UMa3U1 #GravitationallyBound #LambdaColdDarkMatter #DarkMatter #LCDM #Cosmology #Astronomy