The Black Hole at the Center of the Milky Way PDF Download
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Author: Andreas Eckart
Publisher: Imperial College Press
ISBN: 1860947395
Category : Science
Languages : en
Pages : 310
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Book Description
Reviewing the fundamental instrumental techniques and current observational results, this book unveils the mysteries of the physical processes in the central parsec of our Milky Way: the super-massive black hole embedded in a central stellar cluster as well as the gas and dust in the circumnuclear region. The observations described cover the entire electromagnetic spectrum from decimeter radio-waves to high energy X-ray and ?-rays, and a comprehensive summary of up-to-date astrophysical interpretations is given. The emphasis is put on observational techniques, image processing aspects, and a detailed presentation of the most cutting-edge work carried out in the near-infrared wavelength regime. These recent results include both the first orbits of stars around the central black hole and the multiwavelength variability of the central source.
Author: Andreas Eckart
Publisher: Imperial College Press
ISBN: 1860947395
Category : Science
Languages : en
Pages : 310
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Book Description
Reviewing the fundamental instrumental techniques and current observational results, this book unveils the mysteries of the physical processes in the central parsec of our Milky Way: the super-massive black hole embedded in a central stellar cluster as well as the gas and dust in the circumnuclear region. The observations described cover the entire electromagnetic spectrum from decimeter radio-waves to high energy X-ray and ?-rays, and a comprehensive summary of up-to-date astrophysical interpretations is given. The emphasis is put on observational techniques, image processing aspects, and a detailed presentation of the most cutting-edge work carried out in the near-infrared wavelength regime. These recent results include both the first orbits of stars around the central black hole and the multiwavelength variability of the central source.
Author: Lee Smolin
Publisher: Oxford University Press
ISBN: 0199839360
Category : Science
Languages : en
Pages : 367
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Book Description
Lee Smolin offers a new theory of the universe that is at once elegant, comprehensive, and radically different from anything proposed before. Smolin posits that a process of self organization like that of biological evolution shapes the universe, as it develops and eventually reproduces through black holes, each of which may result in a new big bang and a new universe. Natural selection may guide the appearance of the laws of physics, favoring those universes which best reproduce. The result would be a cosmology according to which life is a natural consequence of the fundamental principles on which the universe has been built, and a science that would give us a picture of the universe in which, as the author writes, "the occurrence of novelty, indeed the perpetual birth of novelty, can be understood." Smolin is one of the leading cosmologists at work today, and he writes with an expertise and force of argument that will command attention throughout the world of physics. But it is the humanity and sharp clarity of his prose that offers access for the layperson to the mind bending space at the forefront of today's physics.
Author: Fulvio Melia
Publisher: Princeton University Press
ISBN: 9780691131290
Category : Science
Languages : en
Pages : 324
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Book Description
Publisher description
Author: Robert H. Sanders
Publisher: Cambridge University Press
ISBN: 1107039185
Category : Science
Languages : en
Pages : 209
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Book Description
An insider's view of how the massive black hole was discovered at the Galactic Center.
Author:
Publisher:
ISBN: 9780716695899
Category : Black holes (Astronomy)
Languages : en
Pages : 64
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Book Description
"An introduction to quasars and black holes with information about their formation and characteristics. Includes diagrams, fun facts, a glossary, a resource list, and an index"--Provided by publisher.
Author: Neil deGrasse Tyson
Publisher: W. W. Norton & Company
ISBN: 9780393062243
Category : Religion
Languages : en
Pages : 392
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Book Description
A collection of essays on the cosmos, written by an American Museum of Natural History astrophysicist, includes "Holy Wars," "Ends of the World," and "Hollywood Nights."
Author: Priyamvada Natarajan
Publisher: Yale University Press
ISBN: 0300221126
Category : Science
Languages : en
Pages : 337
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Book Description
A theoretical astrophysicist explores the ideas that transformed our knowledge of the universe over the past century. The cosmos, once understood as a stagnant place, filled with the ordinary, is now a universe that is expanding at an accelerating pace, propelled by dark energy and structured by dark matter. Priyamvada Natarajan, our guide to these ideas, is someone at the forefront of the research—an astrophysicist who literally creates maps of invisible matter in the universe. She not only explains for a wide audience the science behind these essential ideas but also provides an understanding of how radical scientific theories gain acceptance. The formation and growth of black holes, dark matter halos, the accelerating expansion of the universe, the echo of the big bang, the discovery of exoplanets, and the possibility of other universes—these are some of the puzzling cosmological topics of the early twenty-first century. Natarajan discusses why the acceptance of new ideas about the universe and our place in it has never been linear and always contested even within the scientific community. And she affirms that, shifting and incomplete as science always must be, it offers the best path we have toward making sense of our wondrous, mysterious universe. “Part history, part science, all illuminating. If you want to understand the greatest ideas that shaped our current cosmic cartography, read this book.”—Adam G. Riess, Nobel Laureate in Physics, 2011 “A highly readable, insider’s view of recent discoveries in astronomy with unusual attention to the instruments used and the human drama of the scientists.”—Alan Lightman, author of The Accidental Universe and Einstein's Dream
Author: Diane Lincoln
Publisher: World Scientific
ISBN: 9811243670
Category : Juvenile Nonfiction
Languages : en
Pages : 133
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Book Description
Science Discovery Files: 10 Forgotten Stories of Incredible Scientists tells real stories of scientific discoveries that you cannot find in textbooks or popular science books. The scientists featured are a diverse group, from female Chinese chemist Tu Youyou to William Beaumont and his handicapped assistant Alexis St. Martin, who helped pioneer studies into the human digestive system. Going beyond history, readers can also learn about the science principles behind each discovery! The backmatter includes additional information and further reading for curious readers.Scientists featured:This book is a 2023 Nautilus Book Awards winner.
Author: Caleb Scharf
Publisher: Macmillan
ISBN: 0374114129
Category : Science
Languages : en
Pages : 268
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Book Description
Offering a sweeping tour of fantastic physics and cosmic history, a view of the most fearsome places in the universe that finally asks what it will take to see the event horizon of a black hole.
Author: Fulvio Melia
Publisher: Princeton University Press
ISBN: 0691186367
Category : Science
Languages : en
Pages : 202
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Book Description
Could Einstein have possibly anticipated directly testing the most captivating prediction of general relativity, that there exist isolated pockets of spacetime shielded completely from our own? Now, almost a century after that theory emerged, one of the world's leading astrophysicists presents a wealth of recent evidence that just such an entity, with a mass of about three million suns, is indeed lurking at the center of our galaxy, the Milky Way--in the form of a supermassive ''black hole''! With this superbly illustrated, elegantly written, nontechnical account of the most enigmatic astronomical object yet observed, Fulvio Melia captures all the excitement of the growing realization that we are on the verge of actually seeing this exotic object within the next few years. Melia traces our intellectual pilgrimage to the ''brooding behemoth'' at the heart of the Milky Way. He describes the dizzying technological advances that have recently brought us to the point of seeing through all the cosmic dust to a dark spot in a clouded cluster of stars in the constellation Sagittarius. Carefully assembling the compelling circumstantial evidence for its black hole status, he shows that it is primed to reveal itself as a glorious panorama of activity within this decade--through revolutionary images of its ''event horizon'' against the bright backdrop of nearby, radiating gas. Uniquely, this book brings together a specific and fascinating astronomical subject--black holes--with a top researcher to provide both amateur and armchair astronomers, but also professional scientists seeking a concise overview of the topic, a real sense of the palpable thrill in the scientific community when an important discovery is imminent.
