Introdu O Cosmologia
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Cosmology
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Author : John O'Neill
language : en
Publisher:
Release Date : 1923
Cosmology written by John O'Neill and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1923 with Cosmology categories.
Cosmology
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Author : O'Neill John
language : en
Publisher: Legare Street Press
Release Date : 2022-10-27
Cosmology written by O'Neill John and has been published by Legare Street Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-10-27 with categories.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Cosmology
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Author : John O'Neill
language : en
Publisher:
Release Date : 1923
Cosmology written by John O'Neill and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1923 with Cosmology categories.
Introduction To General Relativity And The Cosmological Constant Problem
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Author : Marcelo Samuel Berman
language : en
Publisher: Nova Publishers
Release Date : 2007
Introduction To General Relativity And The Cosmological Constant Problem written by Marcelo Samuel Berman and has been published by Nova Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Science categories.
This book is an introductory text in General Relativity, while also focusing some solutions to the cosmological constant problem, which consists in an amazing 100 orders of magnitude discrepancy between the value of this constant in the present Universe, and its estimated value in the very early epoch. The author suggests that the constant is in fact, a time-varying function of the age of the Universe. The book offers a wealth of cosmological models, treats up to date findings, like the verification of the Lense-Thirring effect in the year 2004, and the recently published research by Cooperstock and Tieu (2005) suggesting that "dark" matter is not a necessary concept in order to explain the rotational velocities of stars around galaxies' nuclei. This is a mathematical cosmology textbook that may lead undergraduates, and graduate students to one of the frontiers of research, while keeping the prerequisites to a minimum, because most of the theory in the book requires only prior knowledge of Calculus and a University Physics course.
The Land Without Evil
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Author : Hélène Clastres
language : en
Publisher: University of Illinois Press
Release Date : 1995
The Land Without Evil written by Hélène Clastres and has been published by University of Illinois Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Chiefdoms categories.
A List Of Books Intended For The Use Of The Younger Clergy And Other Students In Divinity Within The Diocese Of Chester
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Author : William Cleaver
language : en
Publisher:
Release Date : 1791
A List Of Books Intended For The Use Of The Younger Clergy And Other Students In Divinity Within The Diocese Of Chester written by William Cleaver and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1791 with Religion categories.
An Introduction To Childhood
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Author : Heather Montgomery
language : en
Publisher: John Wiley & Sons
Release Date : 2011-09-09
An Introduction To Childhood written by Heather Montgomery and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09-09 with Social Science categories.
In An Introduction to Childhood, Heather Montgomery examines the role children have played within anthropology, how they have been studied by anthropologists and how they have been portrayed and analyzed in ethnographic monographs over the last one hundred and fifty years. Offers a comprehensive overview of childhood from an anthropological perspective Draws upon a wide range of examples and evidence from different geographical areas and belief systems Synthesizes existing literature on the anthropology of childhood, while providing a fresh perspective Engages students with illustrative ethnographies to illuminate key topics and themes
Languages Of The World
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Author : Asya Pereltsvaig
language : en
Publisher: Cambridge University Press
Release Date : 2017-08-24
Languages Of The World written by Asya Pereltsvaig and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-24 with Language Arts & Disciplines categories.
Assuming no prior knowledge of linguistics, this textbook introduces readers to the rich diversity of human languages, familiarizing students with the variety and typology of languages around the world. An essential resource for undergraduate courses on language typology, historical linguistics and general linguistics.
Pseudo Complex General Relativity
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Author : Peter O. Hess
language : en
Publisher: Springer
Release Date : 2015-10-31
Pseudo Complex General Relativity written by Peter O. Hess and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-10-31 with Science categories.
This book explores the role of singularities in general relativity (GR): The theory predicts that when a sufficient large mass collapses, no known force is able to stop it until all mass is concentrated at a point. The question arises, whether an acceptable physical theory should have a singularity, not even a coordinate singularity. The appearance of a singularity shows the limitations of the theory. In GR this limitation is the strong gravitational force acting near and at a super-massive concentration of a central mass. First, a historical overview is given, on former attempts to extend GR (which includes Einstein himself), all with distinct motivations. It will be shown that the only possible algebraic extension is to introduce pseudo-complex (pc) coordinates, otherwise for weak gravitational fields non-physical ghost solutions appear. Thus, the need to use pc-variables. We will see, that the theory contains a minimal length, with important consequences. After that, the pc-GR is formulated and compared to the former attempts. A new variational principle is introduced, which requires in the Einstein equations an additional contribution. Alternatively, the standard variational principle can be applied, but one has to introduce a constraint with the same former results. The additional contribution will be associated to vacuum fluctuation, whose dependence on the radial distance can be approximately obtained, using semi-classical Quantum Mechanics. The main point is that pc-GR predicts that mass not only curves the space but also changes the vacuum structure of the space itself. In the following chapters, the minimal length will be set to zero, due to its smallness. Nevertheless, the pc-GR will keep a remnant of the pc-description, namely that the appearance of a term, which we may call "dark energy", is inevitable. The first application will be discussed in chapter 3, namely solutions of central mass distributions. For a non-rotating massive object it is the pc-Schwarzschild solution, for a rotating massive object the pc-Kerr solution and for a charged massive object it will be the Reissner-Nordström solution. This chapter serves to become familiar on how to resolve problems in pc-GR and on how to interpret the results. One of the main consequences is, that we can eliminate the event horizon and thus there will be no black holes. The huge massive objects in the center of nearly any galaxy and the so-called galactic black holes are within pc-GR still there, but with the absence of an event horizon! Chapter 4 gives another application of the theory, namely the Robertson-Walker solution, which we use to model different outcomes of the evolution of the universe. Finally the capability of this theory to predict new phenomena is illustrated.
An Introduction To Islamic Cosmological Doctrines
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Author : Seyyed Hossein Nasr
language : en
Publisher: State University of New York Press
Release Date : 1993-07-01
An Introduction To Islamic Cosmological Doctrines written by Seyyed Hossein Nasr and has been published by State University of New York Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-07-01 with Religion categories.
This is the only book to deal with classical Islamic cosmology as it was formulated by the Ikhwan al-S'afa al Biruni and Ibn Sina during the tenth and eleventh centuries. These figures influenced all the later centuries of Islamic history and in fact created the cosmological framework within which all later scientific activity in the Islamic world was carried out--the enduring image of the cosmos within which Muslims have lived during the past millennium. Nasr writes from within the Islamic tradition and demonstrates how, based on the teachings of the Quran and the Prophet, the figures treated in this work integrated elements drawn from various ancient schools of philosophy and the sciences. This book is unique in its treatment of classical Islamic cosmology as seen from within the Islamic world-view and provides a key for understanding of traditional Islamic thought.