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, Skip to content Universe Today Space and astronomy news Menu Videos Newsletter Podcast Contact Us Support Us Log in Hidden in this deep sky image left is Uma3 U1, an ultra faint galaxy . It contains fewer than 100 hundred stars , a tiny amount for a galaxy . Credit : CFHT S . Gwyn right S . Smith left Posted on March 29, 2024 March 29, 2024 by Evan Gough The Milky Way’s Smallest , Faintest Satellite Galaxy Found The Milky Way has many satellite galaxies , most notably the Large and Small Magellanic Clouds They’re both visible to the naked eye from the southern hemisphere . Now astronomers have discovered another satellite that’s the smallest and dimmest one ever detected . It may also be one of the most dark matter-dominated galaxies ever found . The galaxy is called Ursa Major III