KnowraCosmic varianceLinked fromLinked fromThe 24 pages that link to Cosmic variance, each with the reason it gives.All 24Related 22Compared with 2Cosmological principleRelated: It limits how precisely sky observations can establish universal isotropy.Hubble tensionCompared with: It is considered but cannot readily account for the full reported discrepancy.Observable universeRelated: A finite observable volume limits how precisely large-scale cosmic properties can be measured.ReionizationRelated: Small samples of rare early galaxies make estimates of their total ionizing output uncertain.Galaxy redshift surveyRelated: It limits how precisely a survey can estimate cosmic statistics from its sampled volume.Cosmic star-formation historyRelated: Limited survey volumes can make measured star-formation density depart from the cosmic mean.Galaxy luminosity functionRelated: Small survey fields may contain atypical galaxy populations and skew the inferred function.Cosmic microwave background anisotropyRelated: It limits how precisely large-angle anisotropy can be inferred from a single sky.Cosmological horizonRelated: A finite observable region limits how much information can be gathered about the universe as a whole.Cosmological parametersRelated: It imposes a fundamental limit on some measurements of large-scale cosmic patterns.Missing baryon problemCompared with: It can affect local matter estimates but does not explain the overall baryon accounting shortfall.George SmootRelated: COBE measured one sky, so its maps faced limits from the finite number of large-scale patterns.Hubble Ultra-Deep FieldRelated: A small field can contain unusually many or few galaxies by chance.BOSS Great WallRelated: A rare structure's apparent significance depends partly on how representative the observed volume is.Boötes VoidRelated: It frames whether the Boötes Void is exceptionally rare or one example of expected cosmic variation.CMB cold spotRelated: It complicates judging how surprising one unusually large patch is.Huge-LQGRelated: Rare apparent structures can occur in finite surveys without violating large-scale statistical uniformity.Large quasar groupRelated: A limited survey volume can make unusual concentrations appear more decisive than they are.Observational cosmologyRelated: It limits how precisely large-scale patterns can be inferred from our observable volume.Primordial fluctuationsRelated: It limits how precisely the largest-scale primordial fluctuations can be inferred.Dark flowRelated: It limits how confidently unusually large motions can be distinguished from chance.Local HoleRelated: It sets how confidently a local galaxy deficit can be distinguished from ordinary variation.Shape of the universeRelated: It limits how decisively sky patterns can distinguish global models.South Pole WallRelated: Limited sky coverage complicates claims about the wall’s full size and continuity.
KnowraCosmic varianceLinked fromLinked fromThe 24 pages that link to Cosmic variance, each with the reason it gives.All 24Related 22Compared with 2Cosmological principleRelated: It limits how precisely sky observations can establish universal isotropy.Hubble tensionCompared with: It is considered but cannot readily account for the full reported discrepancy.Observable universeRelated: A finite observable volume limits how precisely large-scale cosmic properties can be measured.ReionizationRelated: Small samples of rare early galaxies make estimates of their total ionizing output uncertain.Galaxy redshift surveyRelated: It limits how precisely a survey can estimate cosmic statistics from its sampled volume.Cosmic star-formation historyRelated: Limited survey volumes can make measured star-formation density depart from the cosmic mean.Galaxy luminosity functionRelated: Small survey fields may contain atypical galaxy populations and skew the inferred function.Cosmic microwave background anisotropyRelated: It limits how precisely large-angle anisotropy can be inferred from a single sky.Cosmological horizonRelated: A finite observable region limits how much information can be gathered about the universe as a whole.Cosmological parametersRelated: It imposes a fundamental limit on some measurements of large-scale cosmic patterns.Missing baryon problemCompared with: It can affect local matter estimates but does not explain the overall baryon accounting shortfall.George SmootRelated: COBE measured one sky, so its maps faced limits from the finite number of large-scale patterns.Hubble Ultra-Deep FieldRelated: A small field can contain unusually many or few galaxies by chance.BOSS Great WallRelated: A rare structure's apparent significance depends partly on how representative the observed volume is.Boötes VoidRelated: It frames whether the Boötes Void is exceptionally rare or one example of expected cosmic variation.CMB cold spotRelated: It complicates judging how surprising one unusually large patch is.Huge-LQGRelated: Rare apparent structures can occur in finite surveys without violating large-scale statistical uniformity.Large quasar groupRelated: A limited survey volume can make unusual concentrations appear more decisive than they are.Observational cosmologyRelated: It limits how precisely large-scale patterns can be inferred from our observable volume.Primordial fluctuationsRelated: It limits how precisely the largest-scale primordial fluctuations can be inferred.Dark flowRelated: It limits how confidently unusually large motions can be distinguished from chance.Local HoleRelated: It sets how confidently a local galaxy deficit can be distinguished from ordinary variation.Shape of the universeRelated: It limits how decisively sky patterns can distinguish global models.South Pole WallRelated: Limited sky coverage complicates claims about the wall’s full size and continuity.