B supergiant stars
type: Concept
broader: Early-type supergiant stars

O supergiant stars
type: Concept
broader: Early-type supergiant stars

Early-type supergiant stars
type: Concept
narrower: A supergiant stars
narrower: OB supergiant stars
narrower: B supergiant stars
narrower: O supergiant stars
alternative label: Early-type supergiants
alternative label: Early type supergiant stars
broader: Early-type stars
broader: Supergiant stars
contributor: AAS Frey.Katie
modified: 2017-01-23T19:50:18Z

A supergiant stars
type: Concept
broader: Early-type supergiant stars

OB supergiant stars
type: Concept
broader: Early-type supergiant stars

Early-type stars
type: Concept
narrower: Early-type supergiant stars

Supergiant stars
type: Concept
narrower: Early-type supergiant stars