![September 2009 Sombrero Galaxy](https://www.astronomy.com/wp-content/uploads/sites/2/2023/02/sept-2009-sombrero-galaxy.jpg)
A spherical “bulge” of stars illuminates the center of the Sombrero Galaxy (M104) in this
visible-light portrait captured by the Hubble Space Telescope.
visible-light portrait captured by the Hubble Space Telescope.
NASA/Hubble Heritage Team (STScI/AURA)
It depends on the galaxy. Many large galaxies contain a central concentration of bright stars. Other galaxies have extremely luminous cores because a central supermassive black hole is consuming matter and radiating energy.