EntityQ12053157· pop 9· linked from 256 articlesbipolar outflowSign in to savetwo continuous flows of gas from the poles of a starConnectionsexotic starEntitygiant starEntitystellar classificationEntitybinary starEntityplanetary nebulaEntityaccretion discEntityT Tauri-type starEntityProtoplanetary nebulaEntitypost-AGB starEntitySunConceptstarEntitySolar SystemEntityplanetEntityBlack holeConceptgalaxyEntitygravityEntitysolar eclipseEntityconstellationEntityopticsEntityinfrared radiationEntityCategoriesStellar astronomy