commonly, astronomers think of our galaxy being a stellar island, a group of two hundred billion or even more stars orbiting a common center of mass. But stars make up only 10 p.c with the Milky Way’s total mass. https://margiezobq521327.mpeblog.com/53615397/new-step-by-step-map-for-solar-system-milkyway-galaxy-earth-environment-ecosystem-physics-science