Astronomers say that they have identified 20 stars that may have grown up together in a dwarf galaxy named "Loki" that eventually became part of our Milky Way.

The Milky Way may have devoured another galaxy named Loki, and astronomers think they've found its remains

Source: space
Source Link: https://www.space.com/astronomy/galaxies/the-milky-way-may-have-devoured-another-galaxy-named-loki-and-astronomers-think-theyve-found-its-remains