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Jul 26, 2023 · The Big Bang Theory explains how the universe began with an infinitely hot and dense single point that inflated to form the ever-expanding cosmos we see today.
- Infographic
An early rival to the Big Bang theory, Steady State posits...
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The end of that initial inflation, after space expanded...
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Mike Massimino and "The Big Bang Theory" Star and Producer....
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The Big Bang is a physical theory that describes how the universe expanded from an initial state of high density and temperature. [1] The notion of an expanding universe was first scientifically originated by physicist Alexander Friedmann in 1922 with the mathematical derivation of the Friedmann equations .
Big-bang model, widely held theory of the evolution of the universe. Its essential feature is the emergence of the universe from a state of extremely high temperature and density—the so-called big bang that occurred 13.8 billion years ago. Learn more about the big-bang model in this article.
- The Editors of Encyclopaedia Britannica
6 days ago · What Is the Big Bang? The Short Answer: The big bang is how astronomers explain the way the universe began. It is the idea that the universe began as just a single point, then expanded and stretched to grow as large as it is right now—and it is still stretching!
Overview The origin, evolution, and nature of the universe have fascinated and confounded humankind for centuries. New ideas and major discoveries made during the 20th century transformed cosmology – the term for the way we conceptualize and study the universe – although much remains unknown.
Aug 5, 2024 · Big Bang theory, in science, is the idea that all the matter and energy of the Universe was once crushed into a single point, a single infinitesimal granule of...
The Big Bang Theory explains the observed redshift of distant galaxies, the cosmic microwave background radiation, and the abundance of light elements in the universe. It provides a coherent narrative for the development of the cosmos from its earliest moments to the present day.
