Acclaimed by Nature as "excellent and uncompromising," this reader-friendly book explores exploding stars, black holes, and the Big Bang. Clear and lively, it conveys the excitement of modern cosmology. 1982 edition.
This book is based on lectures given by the author at a number of university with the aim of introducing Cosmology to students and teachers at the graduate level. Here, cosmology is explained within the framework of Newtoroian gravity and mechanics thereby making it readily understood to students of Physics and Mathematics at the undergraduate level.
Gravity is the most enigmatic of all known basic forces in nature. Yet it controls everything from the motion of ocean tides to the expansion of the entire Universe. Many books use technical jargon and high-powered maths to explain what gravity is all about. In The Lighter Side of Gravity, the presentation is beautifully clear and completely non-technical. Familiar analogies, interesting anecdotes and numerous illustrations are used throughout to get across subtle effects and difficult points. The coverage is, however, comprehensive and makes no compromise with accuracy. This second edition has been brought completely up to date and expanded to include the discovery of gigantic gravitational lenses in space, the findings of the COBE satellite, the detection of MACHOS, the investigations of the very early Universe and other new ideas in cosmology. In short, this lucid and stimulating book presents 'the lighter side' of the intriguing phenomena of 'gravity' to the student and general reader.
This book conveys the thrill of observing strange and surprising features of the universe and the satisfaction gained by understanding them through modern science. Using simple analogies and a wealth of illustrations, Professor Narlikar skilfully steers us through a cosmic journey of discovery, starting from the Earth and solar system and stepping out to the farthest reaches of the universe. Each of the seven wonders represents a range of mysterious phenomena or a class of spectacular events or remarkable cosmic objects that have challenged human curiosity and often defied explanation.
Gravity is the most enigmatic of all known basic forces in nature. Yet it controls everything from the motion of ocean tides to the expansion of the entire Universe. Many books use technical jargon and high-powered maths to explain what gravity is all about. In The Lighter Side of Gravity, the presentation is beautifully clear and completely non-technical. Familiar analogies, interesting anecdotes and numerous illustrations are used throughout to get across subtle effects and difficult points. The coverage is, however, comprehensive and makes no compromise with accuracy. This second edition has been brought completely up to date and expanded to include the discovery of gigantic gravitational lenses in space, the findings of the COBE satellite, the detection of MACHOS, the investigations of the very early Universe and other new ideas in cosmology. In short, this lucid and stimulating book presents 'the lighter side' of the intriguing phenomena of 'gravity' to the student and general reader.
This book conveys the thrill of observing strange and surprising features of the universe and the satisfaction gained by understanding them through modern science. Using simple analogies and a wealth of illustrations, Professor Narlikar skilfully steers us through a cosmic journey of discovery, starting from the Earth and solar system and stepping out to the farthest reaches of the universe. Each of the seven wonders represents a range of mysterious phenomena or a class of spectacular events or remarkable cosmic objects that have challenged human curiosity and often defied explanation.
Pt. I. Classical electrodynamics. Lecture I. Historical background -- Lecture II. The problems of classical field theory -- Lecture III. The Wheeler-Feynman absorber theory of radiation -- Lecture IV. Action at a distance in curved spacetime -- Lecture V. Cosmological models -- Lecture VI. Response of the expanding universe -- pt. II. Quantum electrodynamics non-relativistic processes -- Lecture VII. The path-integral approach to quantum mechanics -- Lecture VIII. Perturbation theory and the influence functional -- Lecture IX. Absorption and stimulated emission -- Lecture X. Spontaneous emission -- Lecture XI. The complete influence functional and the level shift formula -- pt. III. Relativistic quantum electrodynamics -- Lecture XII. Path integrals for relativistic particles -- Lecture XIII. Many particle interactions and the quantum response of the universe -- Lecture XIV. Self action -- Lecture XV. Cosmological cut-offs to radiative corrections -- Lecture XVI. Concluding remarks
The third edition of this successful textbook is fully updated and includes important recent developments in cosmology. It begins with an introduction to cosmology and general relativity, and goes on to cover the mathematical models of standard cosmology. The physical aspects of cosmology, including primordial nucleosynthesis, the astroparticle physics of inflation, and the current ideas on structure formation are discussed. Alternative models of cosmology are reviewed, including the model of Quasi-Steady State Cosmology, which has recently been proposed as an alternative to Big Bang Cosmology.
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