Is the big bang theory correct?

Category: SCIENCE

Asked on 2018-03-03 07:43:38
Viewed 327 times
Asked by Pendulum World

The answer

Pendulum World wrote on 3rd of March 2018
Yes it is a correct theory.


Pendulum World wrote on 3rd of March 2018
It seems that there were multiple big bangs allready and there will be others to.


Pendulum World wrote on 10th of May 2019
It looks like our universe is about 26 billion years old.


Pendulum World wrote on 11th of April 2020
This is not how our universe was created !


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The story

The Big Bang theory is the prevailing cosmological model for the observable universe from the earliest known periods through its subsequent large-scale evolution. The model describes how the universe expanded from a very high-density and high-temperature state, and offers a comprehensive explanation for a broad range of phenomena, including the abundance of light elements, the cosmic microwave background (CMB), large scale structure and Hubble's law (the farther away galaxies are, the faster they are moving away from Earth). If the observed conditions are extrapolated backwards in time using the known laws of physics, the prediction is that just before a period of very high density there was a singularity which is typically associated with the Big Bang. Physicists are undecided whether this means the universe began from a singularity, or that current knowledge is insufficient to describe the universe at that time. Detailed measurements of the expansion rate of the universe place the Big Bang at around 13.8 billion years ago, which is thus considered the age of the universe. After its initial expansion, the universe cooled sufficiently to allow the formation of subatomic particles, and later simple atoms. Giant clouds of these primordial elements (mostly hydrogen, with some helium and lithium) later coalesced through gravity, eventually forming early stars and galaxies, the descendants of which are visible today. Astronomers also observe the gravitational effects of dark matter surrounding galaxies. Though most of the mass in the universe seems to be in the form of dark matter, Big Bang theory and various observations seem to indicate that it is not made out of conventional baryonic matter (protons, neutrons, and electrons) but it is unclear exactly what it is made out of.


source text and image : (*) Lines marked in red are not the truth.

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