By A Mystery Man Writer
Learn all about different types of galaxies in the universe and how they came together.
What is the Milky Way? It's our home galaxy
Galaxies—facts and information
Astronomy Basics: What IsA Galaxy?
Galaxy - Wikipedia
Discovering Galaxies: Types, Names, and Fascinating Facts
Galaxies, Wiki
What is a Galaxy? Definition and Types of Galaxies, Spiral Galaxies
Milky Way - Wikipedia
What is a Galaxy? - Universe Today