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According to the Big Bang theory, the universe emerged from an extremely dense and hot state (bottom). Since then, space itself has expanded with the passage of time, carrying the galaxies with it. |
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There are 10 summaries on Big Bang.
Encyclopedia and Summary Information
summary from source:
 From an Expanding Universe to the Big Bang Summary
2,429 words, approx. 8 pages
 How did physical nature on the cosmic scale begin? What are the dimensions of the universe? These remain the two most persistent and expansive scientific questions in the collective mind of humanity. Logically, they seem to be related to each other,... summary from source:
 Big Bang Theory Summary
1,216 words, approx. 4 pages
 Big bang theory describes the origin of the knowable universe and the development of the laws of physics and chemistry some 15 billion years ago. During the 1940s Russian-born American cosmologist and nuclear physicist George Gamow (1904–1968)... summary from source:
 Big Bang Theory Summary
1,094 words, approx. 4 pages
The Big Bang Theory is the prevailing theory of the origin of the universe, and it is based on astronomical observations. According to this theory, about 15 billion years ago all the matter and energy in the visible universe was concentrated in a... summary from source:
 Big Bang Summary
1,017 words, approx. 3 pages
The big bang is the cosmic event that is theorized to have marked the origin of the universe. At that instant all matter and energy in the entire physical universe, and the four dimensions of time and space, were created from a state of enormous... summary from source:
 Big Bang Theory Summary
997 words, approx. 3 pages
Before the twentieth century, astronomers could only assume that the universe had existed forever without change, or that it was created in its present condition by divine action at some arbitrary time. Evidence that the universe may be evolving did... summary from source:
Standard Model of Cosmology Summary
319 words, approx. 1 pages
The standard model of cosmology is the big bang theory. It refers to the event, between 8 and 15 billion years ago, in which the universe was born in a cataclysmic explosion. In the aftermath, planets, stars, and galaxies slowly formed as the... summary from source:
 Expanding Universe Summary
181 words, approx. 1 pages
dynamic state of the extragalactic realm, the discovery of which has transformed 20th-century cosmology. The development of general relativity and its application to cosmology by Albert Einstein, Wilhelm de Sitter, and other theoreticians, along with... summary from source:
Big Bang Summary
179 words, approx. 1 pages
Model of the origin of the universe, which holds that it emerged from a state of extremely high temperature and density in an explosive expansion 10 billion–15 billion years ago. Its two basic assumptions—that Albert Einstein's general... summary from source:
Expanding Universe Summary
92 words, approx. 0 pages
Current understanding of the state of the universe. It is based on the finding that all galaxies are moving away from each other. Application of general relativity to cosmology, along with the detection of redshifted light coming from galaxies outside... summary from source:
 Big Bang Summary
8,764 words, approx. 29 pages
The Big Bang is the cosmological model of the universe whose primary assertion is that the universe has expanded into its current state from a primordial condition of enormous density and temperature. The term is also used in a narrower sense to... 
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