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Books > Science & Mathematics > Astronomy, space & time > Cosmology & the universe
This is a concise introduction to modern astrophysics for physicists, with a focus on galaxy dynamics and the discovery of dark matter halos in galaxies. Part I summarizes important discoveries in observational astronomy and astrophysics, in a manner accessible to those who are new to the topic. Building on this foundation, Part II describes the study of dark matter and provides more detail on galactic dynamics. Important physical concepts that form the basis of key astrophysical phenomena are explained, avoiding unnecessary technicalities and complex derivations. The approach is semi-empirical and emphasizes the importance of key measurements and observations in formulating fundamental theoretical questions and developing their solutions. Students are encouraged to develop a deep understanding of major discoveries and contemporary research topics, beyond the simple application of practical models and formulae, as a bridge to more advanced study in astrophysics.
How do we resolve conflicts when fundamental sources of knowledge and belief-such as science and theology-are involved? In God's Two Books, Kenneth Howell offers a historical analysis of how sixteenth- and seventeenth-century astronomers and theologians in Northern Protestant Europe used science and religion to challenge and support one another. Howell reveals that the cosmological schemes developed during this era remain monumental solutions to the enduring problem of how theological interpretation and empirical investigation interact with one another. "Writing history requires a constant shedding of our misconceptions about the past," says Howell. God's Two Books reshapes our understanding of the interaction of cosmological thought and biblical interpretation in the emerging astronomy of the Scientific Revolution by analyzing new texts and offering interpretations that cast old materials in a new light. The central argument of this compelling book is that the use of the Bible in early modern cosmology is considerably more complex and subtle than has previously been recognized. Drawing on the writings of Lutheran and Calvinist astronomers, natural philosophers, and theologians, Howell analyzes several underlying patterns of interpretation which affected how these historical figures viewed the mutual interaction of the books of nature and Scripture. He argues that while they differed on how the disciplines of astronomy, physics, and theology should relate to one another, most thinkers shared the common goal of finding and explaining the true system of the universe. Howell introduces the notion of a convergent realism to describe Protestant intellectuals' approach to incorporating empirical and theological perspectives into a holistic version of the universe. They believed the sacred page was relevant to cosmology but denied that the Bible had scientific content. At the same time, these thinkers argued that the theological truths expressed in the Bible were interwoven into nature in subtle, yet revealing, ways. Their resulting interpretations show continuity with Catholic thinkers and discard oversimplifications such as literal versus figurative hermeneutics or Copernican versus anti-Copernican cosmologies. Among Howell's many original contributions in this cogent study is a distinctive approach to Kepler's exegesis of nature and an introduction to the debate of many Calvinist thinkers who have previously received little attention.
Born in 1942, Stephen Hawking is no ordinary scientist. With a career that began over thirty years ago at Cambridge University, he has managed to do more than perhaps any other physicist to broaden our basic understanding of the universe. This skilful portrait of an indefatigable genius traces the course of Hawking's life and science, marrying biography and physics to tell the story of a remarkable man.
Is our universe dying?
This self-contained astrophysics textbook for advanced undergraduates explores how stars form, what happens to them as they age, and what becomes of them when they die. Students can investigate the physical processes sustaining the energy output of stars during each stage of their evolution and which drive the progression from one stage to the next, and examine the relationship between different stages of stellar evolution and the production of the chemical elements. The textbook contains a wealth of worked examples and exercises with full solutions. Summaries, key facts and equations are clearly identified, and there are full colour illustrations throughout. Drawing on decades of experience in supported learning and independent study, this textbook is an ideal bridging text for astrophysics and physics majors looking to move on from the introductory texts. Accompanying resources to this textbook are available at: http: //www.cambridge.org/features/astrophysics
A unique spiritual and astrological guide to deepening your relationships and romantic connections - or finding the love of your life We are each made of stardust, and understanding how the cosmos affects us provides critical insight into our lives, our well-being, and matters of the heart. Tune into these pages to find * how each sign matches up with the others; * the potential and challenges of each pairing; * interactive journaling prompts; * perspective into your past unions; * a deeper understanding of your partnerships in romance, family, and friendship; * what it looks like when a particular match flows well - or not so well. Follow Carolyne Faulkner's Dynamic Astrology (TM) approach for a simple, tried-and-tested framework to the signs and planets that explains how harmonious each match is likely to be, as well as how to build a solid foundation for a forever love.
Knowledge of the structure of the cosmos, Plato suggests, is important in organizing a human community which aims at happiness. This book investigates this theme in Plato's later works, the Timaeus, Statesman, and Laws. Dominic J. O'Meara proposes fresh readings of these texts, starting from the religious festivals and technical and artistic skills in the context of which Plato elaborates his cosmological and political theories, for example the Greek architect's use of models as applied by Plato in describing the making of the world. O'Meara gives an account of the model of which Plato's world is an image; of the mathematics used in producing the world; and of the relation between the cosmic model and the political science and legislation involved in designing a model state in the Laws. Non-specialist scholars and students will be able to access and profit from the book.
Cosmology: The Science of the Universe is an introduction to past and present cosmological theory. For much of the world's history, cosmological thought was formulated in religious or philosophical language and was thus theological or metaphysical in nature. However, cosmological speculation and theory has now become a science in which the empirical discoveries of the astronomer, theoretical physicist, and biologist are woven into intricate models that attempt to account for the universe as a whole. Professor Harrison draws on the discoveries and speculations of these scientists to provide a comprehensive survey of man's current understanding of the universe and its history. Tracing the rise of the scientific method, the major aim of this book is to provide an elementary understanding of the physical universe of modern times. Thoroughly revised and updated, this second edition extends the much acclaimed first edition taking into account the many developments that have occurred.
Kepler is a key figure in the development of modern astronomy. His work is also important in the history of philosophy and methodology of science as a whole. The present study is concerned with one of Kepler's major preoccupations, namely his search for the geometrical plan according to which God created the Universe. The author discusses how Kepler's cosmological theories, which embrace music and astrology as well as astronomy, are related to his other work. The subject will be of great interest to historians of science, mathematicians and astronomers as well as to historians of the late Renaissance.
Relativistic hydrodynamics is a very successful theoretical framework to describe the dynamics of matter from scales as small as those of colliding elementary particles, up to the largest scales in the universe. This book provides an up-to-date, lively, and approachable introduction to the mathematical formalism, numerical techniques, and applications of relativistic hydrodynamics. The topic is typically covered either by very formal or by very phenomenological books, but is instead presented here in a form that will be appreciated both by students and researchers in the field. The topics covered in the book are the results of work carried out over the last 40 years, which can be found in rather technical research articles with dissimilar notations and styles. The book is not just a collection of scattered information, but a well-organized description of relativistic hydrodynamics, from the basic principles of statistical kinetic theory, down to the technical aspects of numerical methods devised for the solution of the equations, and over to the applications in modern physics and astrophysics. Numerous figures, diagrams, and a variety of exercises aid the material in the book. The most obvious applications of this work range from astrophysics (black holes, neutron stars, gamma-ray bursts, and active galaxies) to cosmology (early-universe hydrodynamics and phase transitions) and particle physics (heavy-ion collisions). It is often said that fluids are either seen as solutions of partial differential equations or as "wet". Fluids in this book are definitely wet, but the mathematical beauty of differential equations is not washed out.
The Extravagant Universe tells the story of a remarkable adventure of scientific discovery. One of the world's leading astronomers, Robert Kirshner, takes readers inside a lively research team on the quest that led them to an extraordinary cosmological discovery: the expansion of the universe is accelerating under the influence of a dark energy that makes space itself expand. In addition to sharing the story of this exciting discovery, Kirshner also brings the science up-to-date in a new epilogue. He explains how the idea of an accelerating universe--once a daring interpretation of sketchy data--is now the standard assumption in cosmology today. This measurement of dark energy--a quality of space itself that causes cosmic acceleration--points to a gaping hole in our understanding of fundamental physics. In 1917, Einstein proposed the "cosmological constant" to explain a static universe. When observations proved that the universe was expanding, he cast this early form of dark energy aside. But recent observations described first-hand in this book show that the cosmological constant--or something just like it--dominates the universe's mass and energy budget and determines its fate and shape. Warned by Einstein's blunder, and contradicted by the initial results of a competing research team, Kirshner and his colleagues were reluctant to accept their own result. But, convinced by evidence built on their hard-earned understanding of exploding stars, they announced their conclusion that the universe is accelerating in February 1998. Other lines of inquiry and parallel supernova research now support a new synthesis of a cosmos dominated by dark energy but also containing several forms of dark matter. We live in an extravagant universe with a surprising number of essential ingredients: the real universe we measure is not the simplest one we could imagine.
This book explains hyperspace and multidimensional geometries in an effort to help readers to manipulate, visualize, and think about the higher spatial dimensions that all serious physical theories since relativity have required. This book alternates sections explaining the science with a fictional story line that exemplifies, comments on, and helps to clarify the science. The book also features a number of appendices, including annotated guides to the literature and to relevant science fiction, further commentary on the mathematics of hyperspace, questions and puzzles, and source code for modeling hyperspace. The book has the goal to explain the science of hyperspace accurately, but it is light and playful in its approach.
The essential introduction to modern string theory-now fully expanded and revised String Theory in a Nutshell is the definitive introduction to modern string theory. Written by one of the world's leading authorities on the subject, this concise and accessible book starts with basic definitions and guides readers from classic topics to the most exciting frontiers of research today. It covers perturbative string theory, the unity of string interactions, black holes and their microscopic entropy, the AdS/CFT correspondence and its applications, matrix model tools for string theory, and more. It also includes 600 exercises and serves as a self-contained guide to the literature. This fully updated edition features an entirely new chapter on flux compactifications in string theory, and the chapter on AdS/CFT has been substantially expanded by adding many applications to diverse topics. In addition, the discussion of conformal field theory has been extensively revised to make it more student-friendly. The essential one-volume reference for students and researchers in theoretical high-energy physics Now fully expanded and revised Provides expanded coverage of AdS/CFT and its applications, namely the holographic renormalization group, holographic theories for Yang-Mills and QCD, nonequilibrium thermal physics, finite density physics, and entanglement entropy Ideal for mathematicians and physicists specializing in theoretical cosmology, QCD, and novel approaches to condensed matter systems An online illustration package is available to professors
Briefings is a new series of short books to explain and clarify complex contemporary subjects, written for non-specialists by experts in their fields. Themes and topics covered will include Feminism, Education, Cosmology, Medical Ethics, Structuralism, Quantum Physics and Comparative Religion among others. Before the Beginning is a radical attempt to explain and redefine the origins and purpose of creation. Professor Ellis deals clearly and authoritatively with new scientific theories explaining how things began and elucidates the laws which control the operation of the universe. In addition he describes the complex mechanism by which the laws of physics appear to govern and facilitate, as well as to sustain human life. His conclusions about the very meaning of life are often unexpected, but the process by which he reaches them is illuminating and scientifically sound, as would be expected from one of the world's foremost cosmologists.
The marvellous complexity of the Universe emerges from several deep laws and a handful of fundamental constants that fix its shape, scale, and destiny. There is a deep structure to the world which at the same time is simple, elegant, and beautiful. Where did these laws and these constants come from? And why are the laws so fruitful when written in the language of mathematics? Peter Atkins considers the minimum effort needed to equip the Universe with its laws and its constants. He explores the origin of the conservation of energy, of electromagnetism, of classical and quantum mechanics, and of thermodynamics, showing how all these laws spring from deep symmetries. The revolutionary result is a short but immensely rich weaving together of the fundamental ideas of physics. With his characteristic wit, erudition, and economy, Atkins sketches out how the laws of Nature can spring from very little. Or arguably from nothing at all.
What if life isn't just a part of the universe . . . what if it determines the very structure of the universe itself? The theory that blew your mind in Biocentrism and Beyond Biocentrism is back, with brand-new research revealing the startling truth about our existence. What is consciousness? Why are we here? Where did it all come from-the laws of nature, the stars, the universe? Humans have been asking these questions forever, but science hasn't succeeded in providing many answers-until now. In The Grand Biocentric Design, Robert Lanza, one of Time Magazine's "100 Most Influential People," is joined by theoretical physicist Matej Pavsic and astronomer Bob Berman to shed light on the big picture that has long eluded philosophers and scientists alike. This engaging, mind-stretching exposition of how the history of physics has led us to Biocentrism-the idea that life creates reality-takes readers on a step-by-step adventure into the great science breakthroughs of the past centuries, from Newton to the weirdness of quantum theory, culminating in recent revelations that will challenge everything you think you know about our role in the universe. This book offers the most complete explanation of the science behind Biocentrism to date, delving into the origins of the memorable principles introduced in previous books in this series, as well as introducing new principles that complete the theory. The authors dive deep into topics including consciousness, time, and the evidence that our observations-or even knowledge in our minds-can affect how physical objects behave. The Grand Biocentric Design is a one-of-a-kind, groundbreaking explanation of how the universe works, and an exploration of the science behind the astounding fact that time, space, and reality itself, all ultimately depend upon us.
One of our great contemporary scientists reveals the ten profound insights that illuminate what everyone should know about the physical world In Fundamentals, Nobel laureate Frank Wilczek offers the reader a simple yet profound exploration of reality based on the deep revelations of modern science. With clarity and an infectious sense of joy, he guides us through the essential concepts that form our understanding of what the world is and how it works. Through these pages, we come to see our reality in a new way--bigger, fuller, and stranger than it looked before. Synthesizing basic questions, facts, and dazzling speculations, Wilczek investigates the ideas that form our understanding of the universe: time, space, matter, energy, complexity, and complementarity. He excavates the history of fundamental science, exploring what we know and how we know it, while journeying to the horizons of the scientific world to give us a glimpse of what we may soon discover. Brilliant, lucid, and accessible, this celebration of human ingenuity and imagination will expand your world and your mind.
#1 "NEW YORK TIMES" BESTSELLER
Physical phenomena in astrophysics and cosmology involve gravitational collapse in a fundamental way. The final fate of a massive star when it collapses under its own gravity at the end of its life cycle is one of the most important questions in gravitation theory and relativistic astrophysics, and is the foundation of black hole physics. General relativity predicts that continual gravitational collapse gives rise to a space-time singularity. Quantum gravity may take over in such regimes to resolve the classical space-time singularity. This book investigates these issues, and shows how the visible ultra-dense regions arise naturally and generically as an outcome of dynamical gravitational collapse. It will be of interest to graduate students and academic researchers in gravitation physics, fundamental physics, astrophysics, and cosmology. It includes a detailed review of recent research into gravitational collapse, and several examples of collapse models are investigated in detail.
The mystery of gravity has captivated us for centuries. But what is gravity and how does it work? This engaging book delves into the bizarre and often counter-intuitive world of gravitational physics. Join distinguished astrophysicist Professor Luciano Rezzolla on this virtual journey into Einstein's world of gravity, with each milestone presenting ever more fascinating aspects of gravitation. Through gentle exposure to concepts such as spacetime curvature and general relativity, you will discover some of the most curious consequences of gravitational physics, such as black holes, neutron stars and gravitational waves. The author presents and explains one of the most impressive scientific achievements of recent times: the first image of a supermassive black hole. Written by one of the key scientists involved in producing these results, you'll get a behind-the-scenes view of how the image was captured and discover what happens to matter and light near a black hole.
This book describes how and why the early modern period witnessed the marginalisation of astrology in Western natural philosophy, and the re-adoption of the cosmological view of the existence of a plurality of worlds in the universe, allowing the possibility of extraterrestrial life. Founded in the mid-1990s, the discipline of astrobiology combines the search for extraterrestrial life with the study of terrestrial biology - especially its origins, its evolution and its presence in extreme environments. This book offers a history of astrobiology's attempts to understand the nature of life in a larger cosmological context. Specifically, it describes the shift of early modern cosmology from a paradigm of celestial influence to one of celestial inhabitation. Although these trends are regarded as consequences of Copernican cosmology, and hallmarks of a modern world view, they are usually addressed separately in the historical literature. Unlike others, this book takes a broad approach that examines the relationship of the two. From Influence to Inhabitation will benefit both historians of astrology and historians of the extraterrestrial life debate, an audience which includes researchers and advanced students studying the history and philosophy of astrobiology. It will also appeal to historians of natural philosophy, science, astronomy and theology in the early modern period.
In antiquity living beings are inextricably linked to the cosmos as a whole. Ancient biology and cosmology depend upon one another and therefore a complete understanding of one requires a full account of the other. This volume addresses many philosophical issues that arise from this double relation. Does the cosmos have a soul of its own? Why? Is either of these two disciplines more basic than the other, or are they at the same explanatory level? What is the relationship between living things and the cosmos as a whole? If the cosmos is an animate intelligent being, what is the nature of its thoughts and actions? How do these relate to our own thoughts and actions? Do they pose a threat to our autonomy as subjects and agents? And what is the place of zoogony in cosmogony? A distinguished international team of contributors provides original essays discussing these questions.
The goal of IAU Symposium 359 on 'Galaxy Evolution and Feedback across Different Environments' (GALFEED) was to bring together the active galactic nuclei (AGN) and galaxy evolution scientific communities. The AGN phase occurs in most galaxies and critically influences their evolution, so it is important to study the two processes together and for researchers, in both topics, to learn from one another. They ask key questions such as: How do galaxies acquire their gas and how efficiently is it transformed into stars? How is the supermassive black hole in a galaxy center fuelled to become an AGN? What is the main physical mechanism that quenches star formation? How powerful are the stellar and AGN feedback processes in regulating galaxy evolution? And what is the role of the environment on galaxy evolution and AGN triggering? Astronomers engage in these discussions spanning from early galaxies to the present day.
An astonishing exploration of planet formation and the origins of life by one of the world's most innovative planetary geologists. In 1959, the Soviet probe Luna 3 took the first photos of the far side of the moon. Even in their poor resolution, the images stunned scientists: the far side is an enormous mountainous expanse, not the vast lava-plains seen from Earth. Subsequent missions have confirmed this in much greater detail. How could this be, and what might it tell us about our own place in the universe? As it turns out, quite a lot. Fourteen billion years ago, the universe exploded into being, creating galaxies and stars. Planets formed out of the leftover dust and gas that coalesced into larger and larger bodies orbiting around each star. In a sort of heavenly survival of the fittest, planetary bodies smashed into each other until solar systems emerged. Curiously, instead of being relatively similar in terms of composition, the planets in our solar system, and the comets, asteroids, satellites and rings, are bewitchingly distinct. So, too, the halves of our moon. In When the Earth Had Two Moons, esteemed planetary geologist Erik Asphaug takes us on an exhilarating tour through the farthest reaches of time and our galaxy to find out why. Beautifully written and provocatively argued, When the Earth Had Two Moons is not only a mind-blowing astronomical tour but a profound inquiry into the nature of life here-and billions of miles from home. |
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