Hugh wrote the characteristics of two types of galaxies as shown below: type a: has a central core from which curved arms come out type b: forms a perfect sphere or a smooth flattened oval which statement is correct? type a is a lens galaxy and type b is an irregular galaxy. type a is an irregular galaxy and type b is a lens galaxy. type a is an elliptical galaxy and type b is a spiral galaxy. type a is a spiral galaxy and type b is an elliptical galaxy.