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The 45 pages that link to Edwin Hubble, each with the reason it gives.

• RedshiftRelated: His work linked galaxy distances to their observed redshifts in the expanding-universe picture.

• Cosmological constantRelated: Evidence for expansion undermined the static universe that had motivated the constant.

• Hubble constantRelated: His 1929 distance–velocity analysis made the expansion relation widely known.

• Big BangRelated: His galaxy observations helped turn cosmic expansion into a compelling empirical result.

• Lambda-CDM modelRelated: His evidence for cosmic expansion helped establish the observational basis of modern cosmology.

• Cepheid variableRelated: Cepheids in Andromeda enabled his decisive estimate of its extragalactic distance.

• Andromeda GalaxyRelated: His distance measurement showed that Andromeda lies outside the Milky Way.

• CosmologyRelated: His measurements supplied key evidence for cosmic expansion.

• Friedmann equationsRelated: His observations supplied evidence for the expansion described by these equations.

• Peculiar velocityRelated: The expansion law associated with his work created the baseline for identifying peculiar motion.

• Galaxy morphologyRelated: His scheme gave galaxy morphology its enduring visual sequence.

• Hubble's lawRelated: His 1929 paper presented the observational relation now bearing his name.

• Georges LemaîtreRelated: Hubble’s later distance–velocity results helped make cosmic expansion widely recognized.

• AstrophysicsRelated: His observations helped make an expanding universe an empirical subject.

• Henrietta Swan LeavittRelated: Hubble used Leavitt’s relation to estimate the distance to Andromeda.

• Hubble sequenceRelated: He devised the scheme whose name and arrangement define this sequence.

• Mount Wilson ObservatoryRelated: His work with the Hooker Telescope transformed Mount Wilson into a center of cosmology.

• Coma ClusterRelated: Hubble's work on the Coma region helped establish its galaxies as a distant system.

• Harlow ShapleyRelated: Hubble’s evidence later settled the nebula question left open by Shapley’s debate.

• History of astronomyRelated: His work enlarged the known universe and changed twentieth-century cosmology.

• NebulaRelated: His work clarified that some objects once called nebulae were separate galaxies.

• Vesto SlipherRelated: Hubble combined distance estimates with Slipher’s velocity measurements to reveal a relation between distance and recession.

• Alexander FriedmannRelated: His observations helped turn relativistic expansion from a mathematical possibility into an empirical claim.

• George Ellery HaleRelated: Hubble conducted landmark research at Mount Wilson, the observatory Hale founded.

• Optical astronomyRelated: His optical observations of distant galaxies reshaped estimates of the universe’s scale and expansion.

• Hubble flowRelated: His 1929 analysis publicized the observational distance–velocity relation.

• Walter BaadeRelated: His distance estimates relied on Cepheid calibrations that Baade later revised.

• Yerkes ObservatoryRelated: Hubble studied at Yerkes before moving to Mount Wilson Observatory, where he made his major discoveries.

• Big CrunchRelated: Evidence for expansion turned cosmic recollapse into a question about the universe’s future.

• Palomar ObservatoryRelated: Hubble used the Hale Telescope to study distant galaxies after its completion.

• Adam RiessRelated: Riess’s measurements extended the study of cosmic expansion to much earlier epochs.

• Classical Cepheid variableRelated: Cepheids in Andromeda enabled his distance estimate beyond the Milky Way.

• Messier 51Related: His work helped place spiral nebulae such as Messier 51 among external galaxies.

• Galaxy morphological classificationRelated: Hubble's scheme gave the field its enduring sequence of visual galaxy types.

• Static universeRelated: His findings helped displace the idea of a permanently static cosmos.

• AstronomerRelated: His work transformed estimates of the universe’s scale and expansion.

• Universe (cosmology)Related: His galaxy measurements helped overturn the idea that the Milky Way was the whole universe.

• Allan SandageRelated: Sandage continued Hubble’s work on galaxy distances and cosmic expansion at Mount Wilson Observatory.

• Extragalactic astronomyRelated: His work made external galaxies central to modern astronomy.

• Andromeda–Milky Way collisionRelated: Hubble’s work confirmed Andromeda as an external galaxy, making a galaxy-scale encounter a meaningful possibility.

• Expansion of the UniverseRelated: His galaxy observations provided influential evidence for expansion.

• Nancy Grace RomanRelated: Roman championed a space telescope that would extend the kind of astronomical observation associated with Hubble.

• Observational cosmologyRelated: His measurements helped make an expanding universe an observational conclusion.

• Tired lightRelated: His distance–redshift results intensified debate over expansion and alternative redshift mechanisms.

• Timeline of cosmological theoriesRelated: His measurements supplied influential evidence for a changing, expanding universe.