Astronomers find evidence of a galaxy merger 12 billion years ago shaping the Milky Way

A fascinating discovery has emerged from astronomers: evidence of a galaxy merger that occurred within our Milky Way. This merger, which transpired around 12 billion years ago, involved a dwarf galaxy called LKH. By studying globular clusters, researchers uncovered essential details that point to increased star formation during the galaxy's formative years, deepening our insight into its complex evolutionary history.