BIG BANG
How the universe is created? No one exactly knows how it forms or what is the rationale behind this.
There are several myths about the creation of the universe, and very few scientific explanations and in that scientific explanation BIG BANG theory is recognised as best. This theory was first proposed by a Belgian Priest named GEORGE LEMAITRE.
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He said that the Universe began from a single primordial atom in the 1920s.
WHY ONLY BIG BANG theory was mostly accepted?
This theory supports the universe formation and was mostly accepted because this theory was born on the observation that the other galaxies are moving away from each other at a great speed, in all directions.
This theory defines the best; ORIGIN of Universe.
It is the theory that explains how the universe begins or we can say a universe came into existence. This theory is a cosmological model. It describes how
the universe expand from the initial state of extremely high density and
high temperature
After its initial expansion/explosion, the universe cooled sufficiently to allow the formation of subatomic particles and later atoms. Giant clouds of these primordial elements ----- mostly hydrogen, with helium and lithium.
Thus, later it forms stars and galaxies, the descendants of which are visible today.
GEORGE LEMAITRE found that an expanding universe could be traced back in time to an originating single point in the year 1927 which he referred to as the "primaeval atom ".
FOR SEVERAL DECADES THERE WAS ARGUMENTS BETWEEN SUPPORTERS AND OPPOSITION OF BIG BANG
Finally, Edwin Hubble in [1929] confirmed that galaxies are drifting part through an analysis of galactic redshifts, so it is important evidence for expanding universe.
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