NOUN
- (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 temperature
How To Use big-bang theory In A Sentence
- In later years, Burbidge and collaborators (Arp, Narlikar etc) tried to save the appearances by introducing "epicycles", but these were never a serious foil for the big-bang theory. Discover Blogs