KnowraLyman-alpha forestLinked fromLinked fromThe 12 pages that link to Lyman-alpha forest, each with the reason it gives.All 12Broader topic 3Related 6Compared with 3RedshiftRelated: The redshifted absorption pattern traces hydrogen gas at different distances along the line of sight.Cosmic webRelated: Its absorption pattern probes diffuse gas in the high-redshift web.QuasarRelated: Quasar light illuminates hydrogen clouds across vast stretches of the early universe.Cosmological redshiftRelated: Redshifted absorption features map hydrogen across cosmic distances.Intergalactic mediumRelated: Absorption by its diffuse hydrogen makes this the main probe of the medium at high redshift.Circumgalactic mediumRelated: Absorption from hydrogen helps distinguish diffuse gas around galaxies from more distant gas.