Inflation Eternelle by MagikUnicorn
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Description
Inflation Eternelle
En cosmologie, l'inflation éternelle est une conséquence commune à différents modèles d'inflation cosmique, celle-ci étant elle-même un des scénarios possibles pour le Big Bang.
Tous les modèles d'inflation éternelle impliquent l'existence d'un multivers infini, typiquement un univers fractal ou un multivers qui se reproduit de manière infinie.
Le théoricien le plus connu dans ce domaine est Alan Guth. Un autre chercheur, Andreï Linde, a proposé un modèle différent, appelé "univers chaotique".
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Eternal inflation
Eternal inflation is a hypothetical inflationary universe model, which is itself an outgrowth or extension of the Big Bang theory.
According to eternal inflation, the inflationary phase of the universe's expansion lasts forever throughout most of the universe. Because the regions expand exponentially rapidly, most of the volume of the universe at any given time is inflating. Eternal inflation, therefore, produces a hypothetically infinite multiverse, in which only an insignificant fractal volume ends inflation.
Paul Steinhardt, one of the original architects of the inflationary model, introduced the first example of eternal inflation in 1983, and Alexander Vilenkin showed that it is generic.
Alan Guth's 2007 paper, "Eternal inflation and its implications", states that under reasonable assumptions "Although inflation is generically eternal into the future, it is not eternal into the past." Guth detailed what was known about the subject at the time, and demonstrated that eternal inflation was still considered the likely outcome of inflation, more than 20 years after eternal inflation was first introduced by Steinhardt.
Comments (18)
nice image!
jolie
Nice explanation of the image. Without that had to figure it out fully.
Interesting image & info.
Magnifique !
Non seulement l'image est belle, mais on apprend des choses intéressantes, super !!!!!!!!!!!!!!!!!!!!!!!!!!
That's very beautiful!
Superbe!
Right.........nice image!
Joie de vivre! The universe in the process of expanding, leaving future earthlings no planets, stars or cosmos to look at with the naked eye.
Beautiful!
Excellent
Great depiction of the inflation theory.
Very interesting !!!!
wonderful image and interesting explanation
very good spatial anallomy
Excellent image to accompany this theory.
There is an opposing theory that states the expansion will stop at some point, and the universe will begin collapsing back into the infinite point it started from - which will trigger another Big Bang. The cycle repeats for eternity. We probably won't be around to confirm it though..