KnowraQuasarLinked fromLinked fromThe 38 pages that link to Quasar, each with the reason it gives.All 38Broader topic 8Related 17Narrower topic 4Compared with 9Gravitational lensingRelated: Lensed quasars provide multiple images whose brightness and timing can be measured.Galaxy mergerRelated: Gas driven toward a central black hole during some mergers can fuel quasar activity.Very Long Baseline InterferometryRelated: Compact quasars provide distant reference points for VLBI astrometry and geodesy.Supermassive black holeRelated: Quasars reveal rapidly accreting black holes across large distances and early cosmic times.Gravitational lensRelated: A variable quasar behind a lens can appear as multiple images with measurable time delays.ReionizationRelated: Quasars emit abundant ionizing radiation, though their scarcity may limit their contribution at early times.Ultraviolet astronomyRelated: Ultraviolet emission and absorption probe the accretion region and gas around quasars.Sloan Digital Sky SurveyRelated: SDSS spectroscopy identified large samples of quasars across cosmic history.Eddington luminosityRelated: Its luminosity can be compared with the Eddington limit to estimate black-hole mass and accretion state.Geoffrey BurbidgeRelated: Burbidge studied quasars and challenged claims that their redshifts necessarily measured enormous distances.Lookback timeRelated: Quasars can be observed at great redshifts, showing the universe at large lookback times.Lyman seriesRelated: Its bright continuum makes intervening Lyman absorption visible across large distances.Palomar ObservatoryRelated: Palomar surveys helped identify quasars and establish their importance in extragalactic astronomy.Broad-line regionRelated: Quasars often show prominent broad lines, making their regions measurable across cosmic distances.Martin RyleRelated: Radio surveys helped reveal compact, distant sources later identified as quasars.Wide-field Infrared Survey ExplorerRelated: WISE’s infrared colours helped identify quasars obscured by dust.Intergalactic dustRelated: Quasar spectra and colors provide distant sightlines for searching for intervening dust.
KnowraQuasarLinked fromLinked fromThe 38 pages that link to Quasar, each with the reason it gives.All 38Broader topic 8Related 17Narrower topic 4Compared with 9Gravitational lensingRelated: Lensed quasars provide multiple images whose brightness and timing can be measured.Galaxy mergerRelated: Gas driven toward a central black hole during some mergers can fuel quasar activity.Very Long Baseline InterferometryRelated: Compact quasars provide distant reference points for VLBI astrometry and geodesy.Supermassive black holeRelated: Quasars reveal rapidly accreting black holes across large distances and early cosmic times.Gravitational lensRelated: A variable quasar behind a lens can appear as multiple images with measurable time delays.ReionizationRelated: Quasars emit abundant ionizing radiation, though their scarcity may limit their contribution at early times.Ultraviolet astronomyRelated: Ultraviolet emission and absorption probe the accretion region and gas around quasars.Sloan Digital Sky SurveyRelated: SDSS spectroscopy identified large samples of quasars across cosmic history.Eddington luminosityRelated: Its luminosity can be compared with the Eddington limit to estimate black-hole mass and accretion state.Geoffrey BurbidgeRelated: Burbidge studied quasars and challenged claims that their redshifts necessarily measured enormous distances.Lookback timeRelated: Quasars can be observed at great redshifts, showing the universe at large lookback times.Lyman seriesRelated: Its bright continuum makes intervening Lyman absorption visible across large distances.Palomar ObservatoryRelated: Palomar surveys helped identify quasars and establish their importance in extragalactic astronomy.Broad-line regionRelated: Quasars often show prominent broad lines, making their regions measurable across cosmic distances.Martin RyleRelated: Radio surveys helped reveal compact, distant sources later identified as quasars.Wide-field Infrared Survey ExplorerRelated: WISE’s infrared colours helped identify quasars obscured by dust.Intergalactic dustRelated: Quasar spectra and colors provide distant sightlines for searching for intervening dust.