Popular Subclasses of Galaxy · YYNN

Galaxy

Subclasses

Popular
Trending
New
Popular
- Popular
- Trending
- New
- Best
- Worst
- Controversial
- Uncontroversial
- Best
- Worst
- Controversial
- Uncontroversial

Type of galactic form

Small galaxy composed of up to several billion stars

star-forming galaxy

galaxy in which stars are being formed

Satellite galaxy

Galaxy that orbits a larger galaxy due to gravitational attraction

Irregular galaxy

Class of galaxy

Elliptical galaxy

Spherical or ovoid mass of stars

quiescent galaxy

galaxy without active star formation

Type of active galaxy that is very luminous at radio wavelengths

Active galactic nucleus

Compact region at a galaxy's center with abnormally high luminosity

Interacting galaxy

Galaxies with interacting gravitational fields

Class of active galaxies with very bright nuclei

Low-ionization nuclear emission-line region

Type of galactic nucleus

Hypothesized galaxy with no, or very few, stars