Different Types of Galaxies
Types of Galaxies
There are three types of galaxies. First, there is an irregular galaxy. An irregular galaxy has an irregular shape and lots of stars, dust, and gas. Second, there is an elliptical galaxy. An elliptical galaxy has older stars and very little gas and dust. Third, there are spiral galaxies. A spiral galaxy has a disc shape, and often has a bulge in the middle with arms that spiral out to the sides as it rotates. They also usually have more middle-aged stars.