A new satellite galaxy discovered orbiting the Milky Way is either an incredibly ancient, soon-to-fragment clump of stars or the most dark-matter-dominated dwarf galaxy ever found.
Group of 60 ultra-faint stars orbiting the Milky Way could be new type of galaxy never seen before : Read more
Group of 60 ultra-faint stars orbiting the Milky Way could be new type of galaxy never seen before : Read more