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Introduction to Cosmology by J.V. Narlikar: A Review

Introduction to Cosmology by J.V. Narlikar: A Review

If you are looking for a comprehensive and accessible introduction to cosmology, you might want to check out Introduction to Cosmology by J.V. Narlikar. This book is a classic in the field, first published in 1983 and updated several times since then. It covers the basic concepts and theories of cosmology, from the Big Bang to the present day, as well as the latest observational and experimental evidence.



Narlikar is a renowned Indian physicist and cosmologist, who has made significant contributions to general relativity, quantum field theory, and alternative cosmological models. He is also a former student and collaborator of Fred Hoyle, one of the pioneers of modern cosmology. In this book, Narlikar draws on his expertise and experience to present a clear and concise overview of the subject, suitable for undergraduate and graduate students as well as general readers.

The book is divided into four parts. The first part introduces the basic concepts of cosmology and general relativity, such as the metric tensor, the curvature tensor, the Einstein field equations, the Friedmann-Robertson-Walker models, and the cosmological constant. The second part discusses the physical aspects of cosmology, such as primordial nucleosynthesis, the cosmic microwave background radiation, the formation of galaxies and large-scale structure, dark matter and dark energy, and inflation. The third part explores some of the outstanding problems and challenges in cosmology, such as the horizon problem, the flatness problem, the singularity problem, the cosmological constant problem, and the anthropic principle. The fourth part reviews some of the alternative cosmological models that have been proposed over the years, such as the steady state theory, the quasi-steady state theory, the variable mass theory, and the conformal gravity theory.

The book is well-written and well-organized, with plenty of diagrams, examples, exercises, and references. It also includes some historical and philosophical perspectives on cosmology, as well as some personal anecdotes from Narlikar's career. The book is not too technical or mathematical, but it does assume some familiarity with physics and mathematics at an undergraduate level. It is also not too biased or dogmatic, but it does present Narlikar's own views and opinions on some of the controversial issues in cosmology.

If you want to learn more about cosmology or refresh your knowledge on this fascinating subject, you can download a free PDF copy of Introduction to Cosmology by J.V. Narlikar from [^1^]. You can also buy a hardcover or paperback edition from [^3^] or other online retailers.In conclusion, Introduction to Cosmology by J.V. Narlikar is a valuable and informative resource for anyone interested in cosmology. It covers the essential topics and concepts of cosmology in a clear and concise manner, while also providing some historical and philosophical insights. It is suitable for students and teachers of cosmology, as well as general readers who want to learn more about the origin and evolution of the universe.

If you enjoyed reading this article, you might also like some of our other articles on cosmology and related topics. Here are some suggestions:

  • How to Measure the Age of the Universe

  • What is Dark Matter and Why Does it Matter?

  • The Multiverse: Fact or Fiction?

  • The Future of Cosmology: What's Next?

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