Field galaxy
Encyclopedia
A field galaxy is a galaxy
that does not belong to a larger cluster of galaxies, but is gravitationally alone. The vast majority of galaxies exist outside of clusters.
Most low surface brightness galaxies are field galaxies.
Galaxy
A galaxy is a massive, gravitationally bound system that consists of stars and stellar remnants, an interstellar medium of gas and dust, and an important but poorly understood component tentatively dubbed dark matter. The word galaxy is derived from the Greek galaxias , literally "milky", a...
that does not belong to a larger cluster of galaxies, but is gravitationally alone. The vast majority of galaxies exist outside of clusters.
Most low surface brightness galaxies are field galaxies.