The faintest star system orbiting our Milky Way may be domin

The stars of a possible ultra-faint dwarf galaxy, known as UMa3/U1, could be held in place by the gravitational glue of dark matter.

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Great Bear , British Columbia , Canada , Haleakal , Hawaii , United States , France , Mauna Kea , Simon Smith , Panoramic Survey Telescope , Near Infrared Optical Northern Survey , Yale University , University Of Victoria , Milky Way , Ursa Major , Ultraviolet Near Infrared Optical Northern Survey , Canada France Hawaii Telescope , Big Island , Rapid Response System , Deep Imaging Multi Object Spectrograph , Astrophysical Journal ,