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Chronology of the universe

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (July 2012) Part of a series on Physical cosmology Universe Big Bang Age of the universe Chronology of the universe Inflation Nucleosynthesis GWB Neutrino background Cosmic microwave background Redshift Hubble's law Metric expansion of space Friedmann equations FLRW metric Shape of the universe Structure formation Reionization Galaxy formation Large quasar group Large-scale structure Galaxy filament Ultimate fate of the universe Future of an expanding universe Lambda-CDM model Dark energy Dark matter Timeline of cosmological theories History of the Big Bang theory Discovery of cosmic microwave background radiation Observational cosmology 2dF SDSS COBE BOOMERanG WMAP Planck Galileo Copernicus Newton Einstein Hawking Friedman Lemaître Hubble Penzias Bharadwaj Tolman Wilson Gamow Dicke Zel'dovich Aaronson Alpher Mather Rubin Penrose Alfvén Smoot Ehlers Ellis Sunyaev Schmidt Suntzeff de Sitter Guth others Religious interpretations Astronomy portal Category: Physical cosmology v t e A graphical timeline is available at Graphical timeline of the Big Bang Illustration of evolution of the universe from the Big Bang (left). In this diagram, the universe is represented in two dimensions and the third (horizontal) dimension is time, increasing to the right. This chronology of the universe describes the history and future of the universe according to Big Bang cosmology, the prevailing scientific model of how the universe came into being and developed over time, using the cosmological time parameter of comoving coordinates. The instant in which the universe is thought to have begun rapidly expanding from a singularity is known as the Big Bang. As of 2013, this expansion is estimated to have begun 13.798 ± 0.037 billion years ago. It is convenient to divide the evolution of the universe so far into three phases. Cite error: There are tags on this page, but the references will not show without a {{reflist}} template (see the help page).
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