Astrophysics (Index)About

irregular galaxy

(galaxy that's not a disk or ellipsoid)

Irregular galaxy is a catch-all term for galaxies that do not fit the more defined shapes such as spiral galaxy or elliptical galaxy. Some sub-classifications:

Irregular galaxies can have bars (i.e., a barred irregular galaxy). Some are considered the results of galaxy mergers and tidal forces in other galaxy interactions.

(galaxy type)
Further reading:

Referenced by pages:
Canis Major Dwarf Galaxy
dwarf galaxy classification
galaxy classification
Large Magellanic Cloud (LMC)
Magellanic clouds (MC)
Morgan classification
Sagittarius Dwarf Irregular Galaxy (SagDIG)
Small Magellanic Cloud (SMC)
spiral galaxy
Wolf-Lundmark-Melotte (WLM)