How Many Different Types Of Galaxies Are There In the Universe and How Are Galaxies Constantly Evolving?
Although all galaxies are composed of the same things, each one is unique. Some galaxies are mostly made up of clouds of dust and gases. Others contain more stars than clouds. Galaxies can appear flat or spherical. Some are bright and clear; others are dim and obscure. Galaxies can stand alone or interact with other galaxies in