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A thought provoking study of the powerful impact of images in guiding astronomers' understanding of galaxies through time.
Awarded the American Astronomical Society (AAS) Rodger Doxsey Travel Prize, and with a foreword by thesis supervisor Professor Shardha Jogee at the University of Texas at Austin, this thesis discusses one of the primary outstanding problems in extragalactic astronomy: how galaxies form and evolve. Galaxies consist of two fundamental kinds of structure: rotationally supported disks and spheroidal/triaxial structures supported by random stellar motions. Understanding the balance between these galaxy components is vital to comprehending the relative importance of the different mechanisms (galaxy collisions, gas accretion and internal secular processes) that assemble and shape galaxies. Using panchromatic imaging from some of the largest and deepest space-based galaxy surveys, an empirical census of galaxy structure is made for galaxies at different cosmic epochs and in environments spanning low to extremely high galaxy number densities. An important result of this work is that disk structures are far more prevalent in massive galaxies than previously thought. The associated challenges raised for contemporary theoretical models of galaxy formation are discussed. The method of galaxy structural decomposition is treated thoroughly since it is relevant for future studies of galaxy structure using next-generation facilities, like the James Webb Space Telescope and the ground-based Giant Magellan Telescope with adaptive optics.
The supermassive black hole in the center of our Milky Way is the nearest such object and relatively easy to observe and study. Not surprisingly therefore, it is the best studied supermassive black hole. Many astrophysical and even general relativistic effects can be investigated in great detail. The Galactic Black Hole: Lectures on General Relativity and Astrophysics provides a systematic introduction to the physics/astrophysics and mathematics of black holes at a level suitable for graduate students, postdocs, and researchers in physics, astrophysics, astronomy, and applied mathematics. The focus is mainly on the supermassive black hole in the center of our Milky Way but the results can be easily generalized taking it as an example. Leading international experts provide first-hand accounts of the observational and theoretical aspects of this black hole. Topics range from the properties of the Schwarzschild metric and the collapse of a black hole, to quantum gravity, and from the structure of the Galaxy to accretion of matter and the emission properties of the Galactic Center black hole.
The enormous advances in observational techniques over the last two decades has produced a wealth of data and unexpected discoveries which have helped to reshape astrophysics as a field with well-formulated theories and sophisticated numerical calculations. In nuclear particle physics, plasma physics, as well as in general relativity, the Universe has become a laboratory for cutting-edge research. The courses collected in the book are intended to provide students with this insight, giving a general background on each topic such as cosmic rays, nuclear and neutrino astrophysics, solar physics and strong fields, as well as a presentation of the current research and open problems. The book is aimed at graduate students in physics and astrophysics, as well as researchers, bridging a gap between the specialized reviews and the comprehensive books.
Since the invention of the telescope 400 years ago, astronomers have rapidly discovered countless celestial objects. But how does one make sense of it all? Astronomer and former NASA Chief Historian Steven J. Dick brings order to this menagerie by defining 82 classes of astronomical objects, which he places in a beginner-friendly system known as "Astronomy’s Three Kingdoms.” Rather than concentrating on technicalities, this system focuses on the history of each object, the nature of its discovery, and our current knowledge about it. The ensuing book can therefore be read on at least two levels. On one level, it is an illustrated guide to various types of astronomical wonders. On another level, it is considerably more: the first comprehensive classification system to cover all celestial objects in a consistent manner. Accompanying each spread are spectacular historical and modern images. The result is a pedagogical tour-de-force, whereby readers can easily master astronomy’s three realms of planets, stars, and galaxies.
A wealth of material on practically every aspect of astronomy, beginning from the first principles. It is quite unique in providing a level of scientific accuracy and detail to be found in no other introductory book, including coverage of instruments, theory, observation, space exploration and cosmology. Encyclopaedic in its breadth, the book still contains in-depth explanations of the underlying theories. The illustrations - many of them colour photographs - animate the text, itself so clear and concise that it will fascinate readers of every discipline. Winner of the Rapportryers Prize for "most meritorious popular science book".
Contributions of "Science Unveiled" Amit Rao's compelling work, "Science Unveiled," embarks on a profound exploration of diverse scientific realms, articulating the evolution of human comprehension alongside the future trajectories of space exploration and quantum physics. Through this narrative, he meticulously addresses ethical considerations while spotlighting technological innovations essential for humanity's cosmic journey. Rao elucidates the remarkable achievements in space exploration while acknowledging the intricate challenges that confront humanity as it dares to traverse the cosmos. His discourse encapsulates the necessity for a judicious synthesis of scientific advancement and ethical stewardship, ensuring the conservation of the celestial milieu. Herein, we delineate the pivotal contributions of Rao's book to the arena of space exploration and cosmology: Breakthroughs in Cosmological Inquiries: The text invigorates discussions surrounding the ongoing breakthroughs in cosmological investigations, which unveil unprecedented pathways for delving into the cosmic web's intricacies. Rao emphasizes the critical role of sophisticated computational simulations, which facilitate a nuanced understanding of the dynamic evolution of cosmic structures across expansive temporal frameworks. This method seeks to clarify the formation and proliferation of colossal cosmic filaments, clusters, and voids, offering illuminating perspectives on the processes that have shaped the cosmic web through time. Quantum Entanglement and Cosmic Interconnections: A distinguishing facet of the book is its inquiry into quantum entanglement within the broader context of cosmic connectivity. Rao elucidates the tantalizing implications of entangled particles spanning vast cosmic distances, conceiving their potential to provide profound insights into the foundational quantum tapestry of space-time and the universe's intrinsic interconnectedness. Innovative Observational Methodologies: Rao accentuates the pivotal role of avant-garde observational methodologies, such as next-generation telescopes and cutting-edge detectors, in unveiling previously obscured dimensions of the cosmic web. These sophisticated instruments empower researchers to probe distant galaxies, measure subtle gravitational lensing phenomena, and explore the cosmic microwave background radiation, thus illuminating the nuanced fabric of the cosmos. Dynamics of Dark Matter, Dark Energy, and Visible Matter: The volume further ventures into the enigmatic dynamics of dark matter, dark energy, and their visible counterparts within the cosmic web. By constructing innovative theoretical models and executing rigorous empirical investigations, scholars aspire to decipher the intricate interactions that govern this cosmic mosaic, thereby enriching our comprehension of the fundamental forces that architect the universe's expansive architecture. Synthesis of Astronomical Data: A salient theme of the work is the salient integration of data from diverse astronomical surveys and experiments, posited as an essential strategy for nurturing a holistic understanding of the universe's large-scale structure. This synthesis not only fosters nuanced discoveries regarding the connectivity within the cosmic web but also fortifies the framework for future cosmological research. Collectively, Rao's contributions to the discourse on cosmology persistently enhance the field, offering novel methodologies and profound insights that deepen our understanding of the universe's intricate structure and ever-evolving dynamics.
The T&T Clark Handbook of the Doctrine of Creation provides an expansive range of resources introducing the doctrine of creation as understood in Christian traditions. It offers an examination of: how the Bible and various Christian traditions have imagined creation; how the doctrine of creation informs and is informed by various dogmatic commitments; and how the doctrine of creation relates to a range of human concerns and activities. The Handbook represents a celebration of, fascination with, bewilderment at, lament about, and hope for all that is, and serves as a scholarly, innovative, and constructive reference for those interested in attending to what Christian belief has to contribute to thinking about and living with the mysterious existence named 'creation'.