Nebulae
type: Concept
narrower: Protoplanetary nebulae

Protoplanetary nebulae
type: Concept
contributor: AAS Frey.Katie Admin
modified: 2020-11-03T20:40:11.636Z
modified: 2020-11-03T20:40:04.875Z
alternative label: Protoplanetary nebula
alternative label: PPN
alternative label: Preplanetary nebulae
broader: Nebulae
definition: A short-lived transition object between the asymptotic giant branch (AGB) and planetary nebula phases.