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big-bang theory
big-bang theory n (Astronomy) a cosmological theory postulating that approximately 12 billion years ago all the matter of the universe, packed into a small superdense mass, was hurled in all directions by a cataclysmic explosion. As the fragments slowed down, the galaxies and stars evolved but the universe is still expanding. Compare steady-state theory Thesaurus| Noun | 1. |  big-bang theory - (cosmology) the theory that the universe originated sometime between 10 billion and 20 billion years ago from the cataclysmic explosion of a small volume of matter at extremely high density and temperaturebig bang theoryscientific theory - a theory that explains scientific observations; "scientific theories must be falsifiable"cosmogeny, cosmogony, cosmology - the branch of astrophysics that studies the origin and evolution and structure of the universe |
big-bang theory
big-bang theory: see cosmologycosmology,
area of science that aims at a comprehensive theory of the structure and evolution of the entire physical universe. Modern Cosmological Theories
..... Click the link for more information. .big-bang theory a cosmological theory postulating that approximately 12 billion years ago all the matter of the universe, packed into a small superdense mass, was hurled in all directions by a cataclysmic explosion. As the fragments slowed down, the galaxies and stars evolved but the universe is still expanding big-bang theory
Synonyms for big-bang theorynoun (cosmology) the theory that the universe originated sometime between 10 billion and 20 billion years ago from the cataclysmic explosion of a small volume of matter at extremely high density and temperatureSynonymsRelated Words- scientific theory
- cosmogeny
- cosmogony
- cosmology
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