Galaxy
Dwarf Spheroidal
An extremely faint, diffuse dwarf galaxy.
Very low surface-brightness satellites of larger galaxies — likely the most dark-matter-dominated systems known.
Overview
Very low surface-brightness satellites of larger galaxies — likely the most dark-matter-dominated systems known.
See also
Dwarf Elliptical
A miniature elliptical galaxy.
Dwarf Irregular
A small, gas-rich, chaotic galaxy.
cD Galaxy
A huge diffuse galaxy at a cluster's heart.
Luminous Infrared Galaxy (LIRG)
A merger-fuelled infrared bright galaxy.
Triangulum Galaxy (M33)
Third-largest galaxy in our Local Group.
Whirlpool Galaxy (M51)
A textbook spiral, mid-merger with a companion.