LINER galaxies
type: Concept
broader: Emission line galaxies

Emission line galaxies
broader: Galaxies
narrower: Markarian galaxies
narrower: Seyfert galaxies
narrower: LINER galaxies
type: Concept

Markarian galaxies
type: Concept
broader: Emission line galaxies

Seyfert galaxies
type: Concept
broader: Emission line galaxies

Galaxies
type: Concept
narrower: Emission line galaxies