EntityQ107209253· pop 8· linked from 12 articlesGiant ArcSign in to savearrangement consists of galaxies, galactic clusters, and lots of gas and dustConnectionslarge-scale structure of the UniverseEntityYouTubeConceptgalaxyEntitymagnesiumEntitylight-yearEntityBBCConceptconstellationEntityThe GuardianEntitydigital object identifierEntityInternational Standard Serial NumberEntityquasarEntityBoötesEntityredshiftEntityright ascensionEntitydeclinationEntityQ180686Entityastronomical coordinate systemEntitygalaxy clusterEntityUniversity of HelsinkiEntitybibcodeEntityCategoriesAstronomical objects discovered in 2021Galaxy filamentsLarge-scale structure of the cosmosPhysical cosmology