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Bookmark or Share- The science behind the Big Bang theory | Astronomy.comEvidence of the Big Bang theory and what happened immediately after the expansion. An end-on view of one of the first full-energy collisions between gold ions at Brookhaven Lab's Relativistic...
- Big-bang model | Definition, Evidence, Videos, & Facts ...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.
- Big Bang - WikipediaThe 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 .
- How Did the Big Bang Happen? | Astronomy.com - Astronomy MagazineVirtually all astronomers and cosmologists agree the universe began with a “big bang” — a tremendously powerful genesis of space-time that sent matter and energy reeling outward.
- The Universe: Big Bang to Now in 10 Easy Steps - SpaceHere is a breakdown of the Big Bang to now in 10 easy-to-understand steps. An illustration of the timeline of the universe following the big bang. (Image credit: NASA/WMAP Science Team)...
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