Local Group dwarf galaxy

generate a one-sentence description for a given conceptual class.
# Response Format
Return only the sentence: "Description: [one-sentence description of the conceptional class]"

Class: Local Group dwarf galaxy

A Local Group dwarf galaxy is a small, low-luminosity galaxy gravitationally bound within the Local Group, typically containing relatively few stars, modest amounts of dark matter, and often orbiting larger galaxies like the Milky Way or Andromeda.