Concept information
Terme préférentiel
inflation
Définition(s)
- The inflationary model is a modified version of the Big Bang theory of the origin of the universe that allows for a brief period, when the universe was only about 10⁻³⁵ sec old, in which the expansion of spacetime took place at a vastly accelerated rate. The huge inflation of space was driven by energy released from a separation of two forces that had previously been one: the strong force and the electroweak force. For around one hundred million trillion trillionth of a second, the universe grew many times faster than the speed of light (not in defiance of Einstein's special theory of relativity. However, because nothing was traveling through space at a speed greater than that of light) taking it from a size unimaginably smaller than an atomic nucleus to about the size of grapefruit. In the process, tiny isotropic (small in every direction) regions of the early universe were inflated to become larger than the observable universe. This provides a satisfactory solution to both the flatness problem and the horizon problem. (Encyclopedia of Science, by David Darling, https://www.daviddarling.info/encyclopedia/I/inflationary_model.html)
Concept(s) générique(s)
Synonyme(s)
- cosmic inflation
- cosmological inflation
Traductions
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français
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inflation cosmique
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inflation cosmologique
URI
http://data.loterre.fr/ark:/67375/MDL-GRLRS575-T
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