'All Intensive Purposes' or 'All Intents and Purposes'? The second assumption, called the cosmological principle, states that an observer’s view of the universe depends neither on the direction in which he looks nor on his location. the hypothesis that the universe is isotropic and homogeneous on a large scale: used to simplify the equations of general relativity for models of the universe. Start your free trial today and get unlimited access to America's largest dictionary, with: “Cosmological principle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosmological%20principle. The universe looks the same from every place, right now. Delivered to your inbox! In modern physical cosmology, the cosmological principle is the notion that the spatial distribution of matter in the universe is homogeneous and isotropic when viewed on a large enough scale, since the forces are expected to act uniformly throughout the universe, and should, therefore, produce no observable irregularities in the large-scale structuring over the course of evolution of the matter field … You want to know about this.” Right? A' 3 yv'O / n VIII. Forces are expected to act uniformly throughout the universe. Learn a new word every day. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition Astronomers make certain assumptions when they study the universe as a whole. The opening line of any book should say, in the words of Stephen King, “Listen. These assumptions may be difficult to prove or verify in practice, but they form an essential starting point for cosmology. A thorough extant study of the anthropic principle is the book The Anthropic Cosmological Principle by John D. Barrow, a cosmologist, and Frank J. Tipler, a cosmologist and mathematical physicist. In modern physical cosmology, the cosmological principle is a prediction based on the idea that the universe is about the same in all places when viewed on a large scale. The study of the physical universe considered as a totality of phenomena in time and space. Cosmology by definition is the branch of astronomy involving the origin and evolution of the universe, from the Big Bang to the future of the cosmos. The cosmological principle represents both the principle on which cosmological theory and observation can proceed and a "null" hypothesis of uniformity that is an area of active research inquiry. Tipler defined the "final anthropic principle" (FAP) along with co-author physicist John D. Barrow in their 1986 book The Anthropic Cosmological Principle as a generalization of the anthropic principle thus: Intelligent information-processing must come into existence in the Universe, and, once it comes into existence, will never die out. So intriguing! “Affect” vs. “Effect”: Use The Correct Word Every Time. cosmological principle. The first is the idea that the laws of … It means we are not in a special place. 2. Europe and Astronomy 1992 `If you get a kick out of cosmic coincidences The Anthropic Cosmological Principle ... is definitely for you. Information and translations of cosmological in the most comprehensive dictionary definitions resource on the web. In modern physical cosmology, the cosmological principle is the dynamical structure principle that falls from the working assumption that the distribution of matter in the universe is homogeneous and isotropic when viewed on a large enough scale, since the forces are expected to act uniformly throughout the universe, and should, therefore, produce no observable irregularities in the large scale structuring … What made you want to look up cosmological principle? Discusses a very wide range of physical phenomena that may be amenable to anthropic explanation. cosmological principle n (Astronomy) the theory that the universe is uniform, homogenous, and isotropic, and therefore appears the same from any position Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. the hypothesis that the universe is isotropic and homogeneous on a large scale: used to simplify the equations of general relativity for models of the universe. Physical cosmology has achieved a consensus Standard Model (SM), basedon extending the local physics governing gravity and the other forcesto describe the overall structure of the universe and its evolution.According to the SM, the universe has evolved from an extremely hightemperature early state, by expanding, cooling, and developingstructures at various scales, such as galaxies and stars. n. (Astronomy) astronomy the theory that the universe is uniform, homogenous, and isotropic, and therefore appears the same from any position. See more. cosmological principle - WordReference English dictionary, questions, discussion and forums. “Indica” vs. “Sativa”: There Is A Difference, Stop Using These Phrases (Use These Synonyms Instead). 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