The formation and evolution of individual stars in a galaxy shape the evolution of the galaxy itself. Stars and stellar remnants make up the vast majority of a galaxy's mass, so it's not surprising that the stellar population affects the evolution of galaxies. In the Milky Way's disk and bulge,...
Source: [Phys.org](https://phys.org/news/2026-07-probing-binary-stars-small-magellanic.html)