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The chronology of the universe describes the history and future of the universe according to Big Bang cosmology.. Research published in 2015 estimates the earliest stages of the universe's existence as taking place 13.8 billion years ago, with an uncertainty of around 21 million years at the 68% confidence level.
The estimated time until the end of the universe in a Big Rip, assuming a model of dark energy with w = −1.5. [ 125 ] [ 126 ] If the density of dark energy is less than −1, then the universe's expansion will continue to accelerate and the observable universe will grow ever sparser.
The universe could then consist of an infinite sequence of finite universes, with each finite universe ending with a Big Crunch that is also the Big Bang of the next universe. A problem with the cyclic universe is that it does not reconcile with the second law of thermodynamics , as entropy would build up from oscillation to oscillation and ...
The timeline of the Universe lists events from its creation to its ultimate final state. For a timeline of the universe from the present to its presumed conclusion, see: Timeline of the far future; Chronology of the universe; Timeline of the universe
Timeline of the far future – Scientific projections regarding the far future; Orders of magnitude (time) – Comparison of a wide range of timescales; Thermodynamic temperature – Measure of temperature relative to absolute zero; Ultimate fate of the universe – Theories about the end of the universe
The 1st-century bishop of Edessa predicted this date to be the birth date of the Antichrist and the end of the universe. [148] 23 Oct 1997 James Ussher: This 17th-century Irish archbishop predicted this date to be 6,000 years since creation and therefore the end of the world. [149] 31 Mar 1998 Hon-Ming Chen
Luckily for us Matt Caplan, a theoretical physicist from Illinois State University, recently conducted a study to determine how the end of the universe is likely to go down.
The book The Five Ages of the Universe discusses the history, present state, and probable future of the universe, according to cosmologists' current understanding. The book divides the timeline of the universe into five eras: the Primordial Era, the Stelliferous Era, the Degenerate Era, the Black Hole Era and the Dark Era.