Big Bang Theory Timeline

Since the big bang 13 7 billion years ago the universe has passed through many different phases or epochs.

Big bang theory timeline.

Models that aim to describe the universe and physics during the planck epoch are generally speculative and fall under the umbrella of new physics. Due to the extreme conditions and the violence of its very early stages it arguably saw more activity and change during the first second than in all the billions of years since. The big bang theory is a cosmological model of the observable universe from the earliest known periods through its subsequent large scale evolution. Working backwards from the current state of the universe scientists have theorized that it must have originated at a single point of infinite density and finite.

According to the steady state theory these quasars should be found all throughout the galaxy but they are only found on the outskirts which supports the big bang theory in which the universe is constantly expanding. Timeline of the big bang theory. In inflationary models of cosmology times before the end of inflation roughly 10 32 seconds after the big bang do not follow the same timeline as in traditional big bang cosmology.