Horizontal branch stars
type: Concept
narrower: Zero-age horizontal branch stars

Zero-age horizontal branch stars
modified: 2020-11-04T20:49:02.035Z
modified: 2020-11-24T16:43:50.666Z
broader: Horizontal branch stars
definition: A star that has arrived on the horizontal branch after leaving the red giant branch. It begins helium burning in its core.
alternative label: ZAHB stars
alternative label: ZAHB
alternative label: Zero age horizontal branch stars
contributor: AAS Frey.Katie Admin
related: Hertzsprung Russell diagram
related: Horizontal branch
type: Concept

Horizontal branch
type: Concept
related: Zero-age horizontal branch stars

Hertzsprung Russell diagram
type: Concept
related: Zero-age horizontal branch stars