Galaxy G alaxies are collections of billions of stars. The two types of galaxies are spiral and elliptical. Our galaxy, the Milky Way, is concidered to be a spiral galaxy. Our galaxy, the Milky Way, is considered to be an average sized spiral galaxy. Elliptical Elliptical galaxies are spherically shaped with no distinct features such as the arms of a spiral galaxy.
Elliptical galaxies make up both the largest and smallest of all galaxies.