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Though astrophysicists have developed a theoretical framework for understanding how the first stars and galaxies formed, only now are we able to begin testing those theories with actual observations of the very distant, early universe. We are entering a new and exciting era of discovery that will advance the frontiers of knowledge, and this book couldn't be more timely. It covers all the basic concepts in cosmology, drawing on insights from an astronomer who has pioneered much of this research over the past two decades. Abraham Loeb starts from first principles, tracing the theoretical foundations of cosmology and carefully explaining the physics behind them. Topics include the gravitational growth of perturbations in an expanding universe, the abundance and properties of dark matter halos and galaxies, reionization, the observational methods used to detect the earliest galaxies and probe the diffuse gas between them--and much more. Cosmology seeks to solve the fundamental mystery of our cosmic origins. This book offers a succinct and accessible primer at a time when breathtaking technological advances promise a wealth of new observational data on the first stars and galaxies. Provides a concise introduction to cosmology Covers all the basic concepts Gives an overview of the gravitational growth of perturbations in an expanding universe Explains the process of reionization Describes the observational methods used to detect the earliest galaxies

Stars --- Galaxies --- Formation. --- Formation, Galactic --- Formation of galaxies --- Galactic formation --- Galaxy formation --- Birth, Stellar --- Formation, Star --- Formation, Stellar --- Stellar birth --- Stellar formation --- Evolution --- Cosmology. --- Cosmology --- Etoiles --- Cosmologie --- Formation

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Black holes (Astronomy) --- Galaxies --- Formation, Galactic --- Formation of galaxies --- Galactic formation --- Galaxy formation --- Frozen stars --- Compact objects (Astronomy) --- Gravitational collapse --- Stars --- Formation. --- Evolution

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This third edition of Malcolm Longair’s highly acclaimed textbook, Galaxy Formation, is an up-to-date text on astrophysical cosmology expounding the structure of classical cosmological models from a contemporary viewpoint. This forms the background to a detailed study of the origin of structure and galaxies in the Universe. The derivations of many of the most important results are described using simple physical arguments which illuminate the results of more advanced treatments. A very wide range of recent observational data is brought to bear upon the problems, including the results from the Hubble Space Telescope, the Planck mission of the European Space Agency, galaxy surveys such as the Sloan Digital Sky Survey, the ALMA submillimetre observatory, studies of Type 1a supernovae and many other remarkable recent observations. This book serves as an ideal text for graduate level courses on astrophysical cosmology and is also highly appreciated as a reference source for professional astrophysicist and cosmologists.

Cosmology. --- Astrophysics. --- Astronomy—Observations. --- Gravitation. --- Astronomy, Observations and Techniques. --- Classical and Quantum Gravity. --- Astronomy --- Deism --- Metaphysics --- Field theory (Physics) --- Matter --- Physics --- Antigravity --- Centrifugal force --- Relativity (Physics) --- Astronomical physics --- Cosmic physics --- Properties --- Galaxies --- Formation. --- Formation, Galactic --- Formation of galaxies --- Galactic formation --- Galaxy formation --- Evolution