Question: what are the different types of dwarf galaxy?
Answer: Elliptical galaxy: dwarf elliptical galaxy (dE) Dwarf spheroidal galaxy (dSph): Once a subtype of dwarf ellipticals, now regarded as a distinct type. Irregular galaxy: dwarf irregular galaxy (dIrr) Spiral galaxy: dwarf spiral galaxy (dS) Magellanic type dwarfs. Blue compact dwarf galaxies (see section below)