EntityQ1998308· pop 28· linked from 375 articlesQ1998308Sign in to savegalaxyConnectionsLagoon NebulaEntityepochEntityNorth America NebulaEntityQ255174Entitylist of NGC objects (6001–7000)EntityQ1960538EntityGX 339-4EntitySunConceptstarEntityBlack holeConceptgalaxyEntitylight-yearEntityconstellationEntityX-rayEntitynebulaEntityexoplanetEntityparsecEntityredshiftEntitystar clusterEntityAraEntityCategoriesAra (constellation)Barred spiral galaxiesNGC objectsSeyfert galaxies