Galaxy
Ultra-diffuse Galaxy
A galaxy as large as the Milky Way but nearly invisible.
Galaxies with sizes comparable to large spirals but only a few thousand stars per cubic parsec — extremely low surface brightness.
Overview
Galaxies with sizes comparable to large spirals but only a few thousand stars per cubic parsec — extremely low surface brightness.
See also
Triangulum Galaxy (M33)
Third-largest galaxy in our Local Group.
Large Magellanic Cloud
A satellite of the Milky Way, only visible from the south.
Lenticular Galaxy
A disc galaxy without spiral arms.
Irregular Galaxy
A galaxy with no clear shape or symmetry.
Dwarf Galaxy
A small galaxy with a few billion stars or fewer.
Dwarf Elliptical
A miniature elliptical galaxy.