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Books > Science & Mathematics > Astronomy, space & time > Cosmology & the universe

Lumen (Hardcover, 2nd ed.): Camille Flammarion Lumen (Hardcover, 2nd ed.)
Camille Flammarion
R534 Discovery Miles 5 340 Ships in 12 - 19 working days
The Intrinsic Bispectrum of the Cosmic Microwave Background (Hardcover, 1st ed. 2016): Guido Walter Pettinari The Intrinsic Bispectrum of the Cosmic Microwave Background (Hardcover, 1st ed. 2016)
Guido Walter Pettinari
R4,457 R3,600 Discovery Miles 36 000 Save R857 (19%) Ships in 12 - 19 working days

Nominated as an outstanding thesis by Professor Robert Crittenden of the Institute of Cosmology and Gravitation in Portsmouth, and winner of the Michael Penston Prize for 2014 given by the Royal Astronomical Society for the best doctoral thesis in Astronomy or Astrophysics, this work aims to shed light on one of the most important probes of the early Universe: the bispectrum of the cosmic microwave background. The CMB bispectrum is a potential window on exciting new physics, as it is sensitive to the non-Gaussian features in the primordial fluctuations, the same fluctuations that evolved into today's planets, stars and galaxies. However, this invaluable information is potentially screened, as not all of the observed non-Gaussianity is of primordial origin. Indeed, a bispectrum arises even for perfectly Gaussian initial conditions due to non-linear dynamics, such as CMB photons scattering off free electrons and propagating in an inhomogeneous Universe. Dr. Pettinari introduces the reader to this intrinsic bispectrum in a pedagogic way, building up from the standard model of cosmology and from cosmological perturbation theory, the tool cosmologists use to unravel the history of the cosmos. In doing so, he introduces SONG, a new and efficient code for solving the second-order Einstein and Boltzmann equations. Next, he moves on to answer the crucial question: is the intrinsic bispectrum going to screen the primordial signal in the CMB? Using SONG, he computes the intrinsic bispectrum and shows how its contamination leads to a small bias in the estimates of primordial non-Gaussianity, a great news for the prospect of using CMB data to probe primordial non-Gaussianity.

Origins of Life - A Cosmic Perspective (Hardcover): Douglas Whittet Origins of Life - A Cosmic Perspective (Hardcover)
Douglas Whittet
R3,081 Discovery Miles 30 810 Ships in 10 - 15 working days

Origins of Life: A Cosmic Perspective presents an overview of the concepts, methods, and theories of astrobiology and origins of life research while presenting a summary of the latest findings. The book provides insight into the environments and processes that gave birth to life on our planet, which naturally informs our assessment of the probability that has arisen (or will arise) elsewhere. In addition, the book encourages readers to go beyond basic concepts, to explore topics in greater depth, and to engage in lively discussions. The text is intended to be suitable for mid- and upper-level undergraduates and beginning graduate students and more generally as an introduction and overview for researchers and general readers seeking to follow current developments in this interdisciplinary field. Readers are assumed to have a basic grounding in the relevant sciences, but prior specialized knowledge is not required. Each chapter concludes with a list of questions and discussion topics as well as suggestions for further reading. Some questions can be answered with reference to material in the text, but others require further reading and some have no known answers. The intention is to encourage readers to go beyond basic concepts, to explore topics in greater depth, and, in a classroom setting, to engage in lively discussions with class members.

Big Bang Problems - How, When, and Where the Universe Began (Hardcover): Bobby Mcgehee Big Bang Problems - How, When, and Where the Universe Began (Hardcover)
Bobby Mcgehee
R648 Discovery Miles 6 480 Ships in 12 - 19 working days
Varying Gravity - Dirac's Legacy in Cosmology and Geophysics (Hardcover, 1st ed. 2016): Helge Kragh Varying Gravity - Dirac's Legacy in Cosmology and Geophysics (Hardcover, 1st ed. 2016)
Helge Kragh
R3,018 R1,955 Discovery Miles 19 550 Save R1,063 (35%) Ships in 12 - 19 working days

The main focus of this book is on the interconnection of two unorthodox scientific ideas, the varying-gravity hypothesis and the expanding-earth hypothesis. As such, it provides a fascinating insight into a nearly forgotten chapter in both the history of cosmology and the history of the earth sciences. The hypothesis that the force of gravity decreases over cosmic time was first proposed by Paul Dirac in 1937. In this book the author examines in detail the historical development of Dirac's hypothesis and its consequences for the structure and history of the earth, the most important of which was that the earth must have been smaller in the past.

How to Make an Apple Pie from Scratch - In Search of the Recipe for Our Universe (Paperback): Harry Cliff How to Make an Apple Pie from Scratch - In Search of the Recipe for Our Universe (Paperback)
Harry Cliff
R285 R258 Discovery Miles 2 580 Save R27 (9%) Ships in 5 - 10 working days

'Witty, approachable and captivating' - Robin Ince 'A fascinating exploration of how we learned what matter really is' - Sean Carroll 'A delightfully fresh and accessible approach to one of the great quests of science' - Graham Farmelo 'Lays out not just what we know, but how we found out (and what is left to be discovered' - Katie Mack 'If you wish to make an apple pie from scratch, you must first invent the universe' - Carl Sagan Inspired by Sagan's famous line, How To Make An Apple Pie From Scratch sets out on a journey to unearth everything we know about our universe: how it started, how we found out, and what we still have left to discover. Will we ever be able to understand the very first moments of the world we inhabit? What is matter really made of? How did anything survive the fearsome heat of the Big Bang? In pursuit of answers, we meet the scientists, astronomers and philosophers who brought us to our present understanding of the world - offering readers a front-row seat to the most dramatic journey human beings have ever embarked on. Harry Cliff's How To Make An Apple Pie From Scratch is an essential, fresh and funny guide to how we got to where we are now - and what we have to come.

Lectures On Cosmology And Action-at-a-distance Electrodynamics (Paperback): Fred Hoyle, Jayant V. Narlikar Lectures On Cosmology And Action-at-a-distance Electrodynamics (Paperback)
Fred Hoyle, Jayant V. Narlikar
R729 Discovery Miles 7 290 Ships in 12 - 19 working days

This book describes the subject of electrodynamics at classical as well as quantum level, developed as an interaction at a distance. Thus it has electric charges interacting with one another directly and not through the medium of a field. In general such an interaction travels forward and backward in time symmetrically, thus apparently violating the principle of causality. It turns out, however, that in such a description the cosmological boundary conditions become very important. The theory therefore works only in a cosmology with the right boundary conditions; but when it does work it is free from the divergences that plague a quantum field theory.

The Realm of Interacting Binary Stars (Hardcover, 1992 ed.): J. Sahade, G.E. McCluskey, Y. Kondo The Realm of Interacting Binary Stars (Hardcover, 1992 ed.)
J. Sahade, G.E. McCluskey, Y. Kondo
R2,625 Discovery Miles 26 250 Ships in 12 - 19 working days

More than two centuries have elapsed since the story of interacting binary stars began with the rediscovery of the variability of Algol by John Goodricke and the interpretation he proposed for explaining the regular periodic brightness variations which he found. Over this long span of time our knowledge about these systems has been growing, and we have now reached a fairly good understanding of the structure and behaviour of this interesting group of objects. This book contains a timely summary of our present knowledge of interacting binary stars. The chapters have been written by distinguished scientists who have done relevant research in the field of interacting binary stars.

Diffuse Radio Foregrounds - All-Sky Polarisation, and Anomalous Microwave Emission (Hardcover, 1st ed. 2016): Matias Vidal... Diffuse Radio Foregrounds - All-Sky Polarisation, and Anomalous Microwave Emission (Hardcover, 1st ed. 2016)
Matias Vidal Navarro
R2,677 R2,001 Discovery Miles 20 010 Save R676 (25%) Ships in 12 - 19 working days

This extensive thesis work covers several topics, including intensity and polarization, focusing on a new polarization bias reduction method. Vidal studied data from the WMAP satellite, which is low signal-to-noise and as such has to be corrected for polarization bias. He presents a new method for correcting the data, based on knowledge of the underlying angle of polarization. Using this novel method, he sets upper limits for the polarization fraction of regions known to emit significant amounts of spinning dust emissions. He also studies the large-scale loops and filaments that dominate the synchrotron sky. The dominant features are investigated, including identification of several new features. For the North Polar Spur, a model of an expanding shell in the vicinity of the Sun is tested, which appears to fit the data. Implications for CMB polarization surveys are also discussed. In addition, Vidal presents interferometric observations of the dark cloud LDN 1780 at 31 GHz and shows that the spinning dust hypothesis can explain the radio properties observed.

Astrophysics of Black Holes - From Fundamental Aspects to Latest Developments (Hardcover, 1st ed. 2016): Cosimo Bambi Astrophysics of Black Holes - From Fundamental Aspects to Latest Developments (Hardcover, 1st ed. 2016)
Cosimo Bambi
R4,208 Discovery Miles 42 080 Ships in 12 - 19 working days

This book discusses the state of the art of the basic theoretical and observational topics related to black hole astrophysics. It covers all the main topics in this wide field, from the theory of accretion disks and formation mechanisms of jet and outflows, to their observed electromagnetic spectrum, and attempts to measure the spin of these objects. Black holes are one of the most fascinating predictions of general relativity and are currently a very hot topic in both physics and astrophysics. In the last five years there have been significant advances in our understanding of these systems, and in the next five years it should become possible to use them to test fundamental physics, in particular to predict the general relativity in the strong field regime. The book is both a reference work for researchers and a textbook for graduate students.

Water in the Universe (Hardcover, 2011 Ed.): Arnold Hanslmeier Water in the Universe (Hardcover, 2011 Ed.)
Arnold Hanslmeier
R2,893 Discovery Miles 28 930 Ships in 10 - 15 working days

Due to its specific chemical and physical properties, water is essential for life on Earth. And it is assumed that this would be the case for extraterrestrial life as well. Therefore it is important to investigate where water can be found in the Universe. Although there are places that are completely dry, places where the last rainfall happened probably several 100 million years ago, surprisingly this substance is quite omnipresent. In the outer solar system the large satellites of Jupiter and Saturn are covered by a thick layer of ice that could be hiding a liquid ocean below. This of course brings up the question of whether the recently detected extrasolar planets could have some water on their surfaces and how we can detect this. Water molecules are also found in interstellar gas and dust clouds. This book begins with an introductory chapter reviewing the physical and chemical properties of water. Then it illuminates the apparent connection between water and life. This is followed by chapters dealing with our current knowledge of water in the solar system, followed by a discussion concerning the potential presence and possible detection of water on exoplanets. The signature of water in interstellar space and stars are reviewed before the origin of water in the Universe is finally discussed. The book ends with an appendix on detection methods, satellite missions and astrophysical concepts touched upon in the main parts of the book. The search for water in the Universe is related to the search for extraterrestrial life and is of fundamental importance for astrophysics, astrobiology and other related topics. This book therefore addresses students and researchers in these fields.

Why there is Something rather than Nothing (Hardcover, New): Bede Rundle Why there is Something rather than Nothing (Hardcover, New)
Bede Rundle
R3,508 Discovery Miles 35 080 Ships in 12 - 19 working days

Why should there be anything at all? Why, in particular, should a material world exist? Bede Rundle advances clear, non-technical answers to these perplexing questions. If, as the theist maintains, God is a being who cannot but exist, his existence explains why there is something rather than nothing. However, this can also be explained on the basis of a weaker claim. Not that there is some particular being that has to be, but simply that there has to be something or other. Rundle proffers arguments for thinking that that is indeed how the question is to be put to rest. Traditionally, the existence of the physical universe is held to depend on God, but the theist faces a major difficulty in making clear how a being outside space and time, as God is customarily conceived to be, could stand in an intelligible relation to the world, whether as its creator or as the author of events within it. Rundle argues that a creator of physical reality is not required, since there is no alternative to its existence. There has to be something, and a physical universe is the only real possibility. He supports this claim by eliminating rival contenders; he dismisses the supernatural, and argues that, while other forms of being, notably the abstract and the mental, are not reducible to the physical, they presuppose its existence. The question whether ultimate explanations can ever be given is forever in the background, and the book concludes with an investigation of this issue and of the possibility that the universe could have existed for an infinite time. Other topics discussed include causality, space, verifiability, essence, existence, necessity, spirit, fine tuning, and laws of Nature. Why There Is Something Rather Than Nothing offers an explanation of fundamental facts of existence in purely philosophical terms, without appeal either to theology or cosmology. It will provoke and intrigue anyone who wonders about these questions.

Lectures On Cosmology And Action-at-a-distance Electrodynamics (Hardcover): Fred Hoyle, Jayant V. Narlikar Lectures On Cosmology And Action-at-a-distance Electrodynamics (Hardcover)
Fred Hoyle, Jayant V. Narlikar
R1,548 Discovery Miles 15 480 Ships in 12 - 19 working days

This book describes the subject of electrodynamics at classical as well as quantum level, developed as an interaction at a distance. Thus it has electric charges interacting with one another directly and not through the medium of a field. In general such an interaction travels forward and backward in time symmetrically, thus apparently violating the principle of causality. It turns out, however, that in such a description the cosmological boundary conditions become very important. The theory therefore works only in a cosmology with the right boundary conditions; but when it does work it is free from the divergences that plague a quantum field theory.

The Complete CD Guide to the Universe (Hardcover): Richard Harshaw The Complete CD Guide to the Universe (Hardcover)
Richard Harshaw
R988 R860 Discovery Miles 8 600 Save R128 (13%) Ships in 10 - 15 working days

This is the largest and most comprehensive atlas of the universe ever created for amateur astronomers. With finder charts of unprecedented detail, in both normal and mirror-image views, and an extensive list of 14,000 objects, it provides a detailed observing guide for almost any practical amateur astronomer, up to the most advanced. Spanning some 3,000 pages, this is a project that is possible only on CD-ROM. The CD-R pages are extensively indexed and referenced for quick location of objects. The accompanying book gives an introduction to the Atlas, showcases the maps, describes the CD-R content and organization, and includes various appendices.

Lectures in Astrobiology - Volume II (Hardcover, 2007 ed.): Muriel Gargaud Lectures in Astrobiology - Volume II (Hardcover, 2007 ed.)
Muriel Gargaud; Foreword by A. Lazcano; Edited by Herve Martin, Philippe Claeys
R4,557 Discovery Miles 45 570 Ships in 10 - 15 working days

Based on material delivered at several summer schools, this book is the first comprehensive textbook at the graduate level encompassing all aspects associated with the emerging field of astrobiology.

Volume II gathers another set of extensive lectures covering topics so diverse as the formation and the distribution of elements in the universe, the concept of habitability from both the planetologists' and the biologists' point of view and artificial life. The contributions are held together by the common goal to understand better the origin of life, its evolution and possible existence outside the Earth's realm.
The volume ends with 120 pages of a very useful appendix comprising "Some Astrophysical Reminders," "Useful Astrobiological Data" and "An Astrobiological Glossary."

Willem de Sitter - Einstein's Friend and Opponent (Hardcover, 2018 ed.): Jan Guichelaar Willem de Sitter - Einstein's Friend and Opponent (Hardcover, 2018 ed.)
Jan Guichelaar
R1,320 R1,099 Discovery Miles 10 990 Save R221 (17%) Ships in 10 - 15 working days
The Early Universe and the Cosmic Microwave Background: Theory and Observations (Hardcover, 2003 ed.): Norma G. Sanchez, Yuri... The Early Universe and the Cosmic Microwave Background: Theory and Observations (Hardcover, 2003 ed.)
Norma G. Sanchez, Yuri N. Parijskij
R8,632 Discovery Miles 86 320 Ships in 10 - 15 working days

The goal of the Daniel Chalonge School on Astrofundamental Physics is to contribute to a theory of the universe (and particularly of the early universe) up to the marks, and at the scientific height of, the unprecedented accuracy, existent and expected, in the observational data. The impressive development of modern cosmology during the last decades is to a large extent due to its unification with elementary particle physics and quantum field theory. The cross-section between these fields has been increasing setting up Astrofundamental Physics. The early universe is an exceptional (theoretical and experimental) laboratory in this new discipline. This NATO Advanced Study Institute provided an up dated understanding, from a fundamental physics and deep point of view, of the progress and key issues in the early universe and the cosmic microwave background: theory and observations. The genuine interplay with large scale structure formation and dark matter problem were discussed. The central focus was placed on the cosmic microwave background. Emphasis was given to the precise inter-relation between fundamental physics and cosmology in these problems, both at the theoretical and experimental/observational levels, within a deep and well defined programme which provided in addition, a careful interdisciplinarity. Special sessions were devoted to high energy cosmic rays, neutrinos in astrophysics, and high energy astrophysics. Deep understanding, clarification, synthesis, careful interdisciplinarity within a fundamental physics framework, were the main goals of the course.

The Early Universe - Facts and Fiction (Hardcover, 4th ed. 2003. Corr. 2nd printing 2004): Gerhard Boerner The Early Universe - Facts and Fiction (Hardcover, 4th ed. 2003. Corr. 2nd printing 2004)
Gerhard Boerner
R3,754 Discovery Miles 37 540 Ships in 10 - 15 working days

This fourth edition of Boerner´s The Early Universe is practically a new book, not just an updated version. In particular, to meet the wishes of many readers, it is now organized so as to make it more useful as a textbook. Problem sections are appended, too. In the center are the connections between particle physics and cosmology: the standard model, some basic implications of quantum field theory, and the questions of structure formation. A special feature of the book is the comparison of theoretical predictions with observations, separating "facts from fiction". Special emphasis is given to the observed anisotropies of the cosmic microwave background and the consequences drawn for cosmology and for the structure formation models. Nuclear and particle physicists and astrophysicists, researchers and teachers as well as graduate students will welcome this new edition of a classic text and reference.

Introduction to General Relativity and Cosmology (Second Edition) (Hardcover, 2nd edition): Ian R. Kenyon Introduction to General Relativity and Cosmology (Second Edition) (Hardcover, 2nd edition)
Ian R. Kenyon
R2,215 Discovery Miles 22 150 Ships in 12 - 19 working days
Theoretical Foundations Of Cosmology: Introduction To The Global Structure Of Space-time (Hardcover): Michael Heller Theoretical Foundations Of Cosmology: Introduction To The Global Structure Of Space-time (Hardcover)
Michael Heller
R1,940 Discovery Miles 19 400 Ships in 12 - 19 working days

The book's principal aim is to clarify fundamental concepts, decipher mathematical structures used to model space-time and relativistic worlds, and to disclose their physical meaning. After each chapter, philosophical implications of the presented material are commented upon.Both special and general theories of relativity are presented in the book with the stress on their global aspects. Although global mathematical methods are extensively used throughout the book, the definitions of new concepts, short comments and examples make reading smooth without the need to consult other textbooks or review papers.

Advanced Statistical Methods for Astrophysical Probes of Cosmology (Hardcover, 2013 ed.): Marisa Cristina March Advanced Statistical Methods for Astrophysical Probes of Cosmology (Hardcover, 2013 ed.)
Marisa Cristina March
R1,955 Discovery Miles 19 550 Ships in 12 - 19 working days

This thesis explores advanced Bayesian statistical methods for extracting key information for cosmological model selection, parameter inference and forecasting from astrophysical observations. Bayesian model selection provides a measure of how good models in a set are relative to each other - but what if the best model is missing and not included in the set? Bayesian Doubt is an approach which addresses this problem and seeks to deliver an absolute rather than a relative measure of how good a model is. Supernovae type Ia were the first astrophysical observations to indicate the late time acceleration of the Universe - this work presents a detailed Bayesian Hierarchical Model to infer the cosmological parameters (in particular dark energy) from observations of these supernovae type Ia.

Three Ways to View the World (Hardcover): William Salo Three Ways to View the World (Hardcover)
William Salo
R698 Discovery Miles 6 980 Ships in 12 - 19 working days

Cool commentary on current human peccadilloes MACROSCOPIC TOPICS Toe-holds on the slopes of the MATTERHORN of Human Maturation. It is a struggle for each human to make the long climb from infancy through adulthood to the final quietus. These topics do not pretend to tell any one human how to live their life; they only try to encourage thinking on the various phases. EXX-RAYS FROM THE AGING CAGE Visions from the good and productive side of growing older. The purpose in these visions is to throw some light on the need for a positive attitude. Exercise for the brain keeps major negatives outside the cage. Together with appropriate physical initiatives that make sure the mental walls are free from sealed cage doors. COSMIC CYBERTREKS Explorations in the mega void of the universe ... a challenge. Time is eternal, and space is infinite in the cosmos. In terms of measuring events in the universe, where occurrences are matured over many millions of years, using Earth's rules as a guide for establishing cosmic laws is an invisible drop of spit in the seas. The trek experiences are fascinating and challenge accepted dogma for so many concepts of what is logical out in the void.

Between Necessity and Probability: Searching for the Definition and Origin of Life (Hardcover, 2004 ed.): Radu Popa Between Necessity and Probability: Searching for the Definition and Origin of Life (Hardcover, 2004 ed.)
Radu Popa
R2,896 Discovery Miles 28 960 Ships in 10 - 15 working days

Systematically explores the early origins and basic definition of life.

Investigates the major theories of the origins of life in light of modern research with the aim of distinguishing between the necessary and the optional and between deterministic and random influences in the emergence of what we call life.

Treats and views life as a cosmic phenomenon whose emergence and driving force should be viewed independently from its Earth-bound natural history.

Synthesizes all the fundamental life-related developments in a comprehensive scenario, and makes the argument that understanding life in its broadest context requires a material-independent perspective that identifies its essential fingerprints

Data Analysis in Cosmology (Hardcover, 1st Corrected ed. 2009, Corr. 2nd printing 2009): Vicent J. Martinez, Enn Saar, Enrique... Data Analysis in Cosmology (Hardcover, 1st Corrected ed. 2009, Corr. 2nd printing 2009)
Vicent J. Martinez, Enn Saar, Enrique Martinez Gonzales, Maria Jesus Pons-Borderia
R3,028 Discovery Miles 30 280 Ships in 10 - 15 working days

The amount of cosmological data has dramatically increased in the past decades due to an unprecedented development of telescopes, detectors and satellites. Efficiently handling and analysing new data of the order of terabytes per day requires not only computer power to be processed but also the development of sophisticated algorithms and pipelines.
Aiming at students and researchers the lecture notes in this volume explain in pedagogical manner the best techniques used to extract information from cosmological data, as well as reliable methods that should help us improve our view of the universe.

Understanding the Heavens - Thirty Centuries of Astronomical Ideas from Ancient Thinking to Modern Cosmology (Hardcover, 2001... Understanding the Heavens - Thirty Centuries of Astronomical Ideas from Ancient Thinking to Modern Cosmology (Hardcover, 2001 ed.)
S. Kaufman; Jean-Claude Pecker
R1,539 R1,346 Discovery Miles 13 460 Save R193 (13%) Ships in 10 - 15 working days

The author, a well-known astronomer himself, describes the evolution of astronomical ideas, touching only lightly on most of the instrumental developments. Richly illustrated, the book starts with the astronomical ideas of the Egyptian and Mesopotamian philosophers, moves on to the Greek period and then on to the golden age of astronomy, that of Copernicus, Galileo, Kepler and Newton. Finally, Pecker concludes with modern theories of cosmology. Written with astronomy undergraduates in mind, this is a fascinating survey of astronomical thinking.

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