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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
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.
This is an accepted version of this page This is the latest accepted revision, reviewed on 16 February 2025. Scientific projections regarding the far future Several terms redirect here. For other uses, see List of numbers and List of years. Artist's concept of the Earth 5–7.5 billion years from now, when the Sun has become a red giant While the future cannot be predicted with certainty ...
The age of the universe based on the best fit to Planck 2018 data alone is 13.787 ± 0.020 billion years. This number represents an accurate "direct" measurement of the age of the universe, in contrast to other methods that typically involve Hubble's law and the age of the oldest stars in globular clusters. It is possible to use different ...
The speculation is based on a scaling hypothesis, credited to Freeman Dyson, the idea being, that all other things being equal the rate of metabolism—and therefore rate of consciousness—of an organism should be in direct proportion to the temperature at which that organism thrives. The authors envision life forms completely different from ...
The Traveller universe, by Game Designers' Workshop; The Uplift Universe by David Brin; The X-COM universe by Mythos Games and MicroProse; The X-Files universe by Chris Carter; The Xeelee universe by Stephen Baxter; The Zones of Thought universe by Vernor Vinge; Some universes also include elements from other genres of speculative fiction such ...
1989 – Margaret Geller and John Huchra discover the "Great Wall", a sheet of galaxies more than 500 million light years long and 200 million wide, but only 15 million light years thick. 1990 – Michael Rowan-Robinson and Tom Broadhurst discover that the IRAS galaxy IRAS F10214+4724 is the brightest known object in the Universe.
Also referred to as "The Randlands", the setting of The Wheel of Time series. The Eye of the World: 1990: N C G V T Witch World: Andre Norton: A world in a parallel universe where magic works. Witch World: 1963: N G Wonderland: Lewis Carroll: An underground realm accessed through a rabbit hole. Alice's Adventures in Wonderland: 1865: N P F C T ...