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"Melia has prepared his book as a logically arranged and comprehensive compilation of our current knowledge...For those who wish to become familiar with the current thinking, this is the book to read; it is the only complete overview of the subject." ---A. Spero, Choice Informationen zum Autor Fulvio Melia is Professor of Physics and Astronomy at the University of Arizona and Associate Editor of the Astrophysical Journal Letters . His books include The Black Hole at the Center of Our Galaxy (Princeton), The Edge of Infinity: Supermassive Black Holes in the Universe , and Electrodynamics . Klappentext "A gripping high-level account of the best-studied supermassive black hole in the universe, truly a central object of modern astrophysics. Professionals, graduate students, and advanced undergraduates will all benefit from this physics-rich and authoritative tour through the heart of our galaxy. I can't wait to use it in my courses." --Niel Brandt, Pennsylvania State University "This is a timely, comprehensive, and readable account of the current state of knowledge about the Milky Way's supermassive black hole and its stellar and gaseous environment. There is definitely a need for a book like this." --David Merritt, Rochester Institute of Technology "Fulvio Melia's new book sets a high standard that will not be displaced soon. A culmination of the author's own extensive work over the past twenty years, it is an ideal resource for researchers who wish to become familiar with the state of the art on the galactic black hole. It will also be a valuable reference for experts who want the key ideas assembled coherently in one place. And it can be used as a text in graduate courses employing the galactic black hole as a vehicle to convey a range of important astrophysical topics." --Mark Morris, University of California, Los Angeles Zusammenfassung The closest galactic nucleus in the universe, Sagittarius A* can provide us with a realistic expectation of learning about the physics of strong gravitational fields. This book provides an overview of the ideas and discoveries pertaining to the supermassive black hole at the galactic center known as Sagittarius A*....