It may well be, with the vast majority of the solar mass in the visible disk, and a handful of stars too dim to easily perceive forming a sphere. The Andromeda

It may well be, with the vast majority of the solar mass in the visible disk, and a handful of stars too dim to easily perceive forming a sphere. The Andromeda galaxy actually takes up a sizable portion if the earth’s sky in its full extent, we just don’t see it.