1929 ⟶ Edwin Hubble's Discovery of the Expanding Universe and Georges Lemaître's Big Bang Suggestion
Edwin Hubble discovered that the universe is expanding and t...
Year
1923
1927
1929
🌠 Hubble discovers galaxies beyond our own
Edwin Hubble discovers a Cepheid variable star in the "Andromeda Nebula" and proves that Andromeda and other nebulas are galaxies far beyond our own. By 1925, he produces a classification system for galaxies.⟶
HubbleGalaxiesCosmologyAndromedaAstronomy20th Century AstronomyExpanding Universe
United States💥 Georges Lemaître: Big Bang
CosmologyBig Bang TheoryGeorges LemaîtreExpanding UniverseEarly Universe20th Century CosmologyGeneral Relativity
Belgium🌌 Edwin Hubble's Discovery of the Expanding Universe and Georges Lemaître's Big Bang Suggestion
Edwin Hubble discovered that the universe is expanding and that the farther away a galaxy is, the faster it is moving away from us. Two years later, Georges Lemaître suggests that the expansion can be traced to an initial "Big Bang".⟶
AstronomyCosmologyExpanding UniverseHubble's LawBig Bang TheoryEdwin HubbleGeorges Lemaître20th CenturyAstrophysics
United StatesBelgium