Black Holes Quasars And The Universe
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Black Holes Quasars And The Universe
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Author : Harry L. Shipman
language : en
Publisher:
Release Date : 1980
Black Holes Quasars And The Universe written by Harry L. Shipman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Science categories.
Discusses recent developments in astronomy and new theories about the universe, emphasizing discoveries about black holes, quasars, and pulsars.
Black Holes Quasars The Universe
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Author : Harry L. Shipman
language : en
Publisher:
Release Date : 1976
Black Holes Quasars The Universe written by Harry L. Shipman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Black holes (Astronomy) categories.
Black Holes Quasars And Other Mysteries Of The Universe
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Author : Stan Gibilisco
language : en
Publisher: TAB/Electronics
Release Date : 1984
Black Holes Quasars And Other Mysteries Of The Universe written by Stan Gibilisco and has been published by TAB/Electronics this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Science categories.
Quasars Pulsars And Black Holes
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Author : Frederic Golden
language : en
Publisher:
Release Date : 1977-04
Quasars Pulsars And Black Holes written by Frederic Golden and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977-04 with Science categories.
Quasars And Black Holes
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Author :
language : en
Publisher:
Release Date : 2010
Quasars And Black Holes written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Astronomy categories.
"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.
Perfect Knowledge Of Universe
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Author : Ram Babu Sao
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-01-23
Perfect Knowledge Of Universe written by Ram Babu Sao and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-23 with categories.
The whole universe is full of miracles. The Massive Black holes are massive objects collections of mass, with gravity so strong that nothing can escape, not even light. Black holes are among the strangest things in the universe. The most common types of black holes are the stellar-mass and super massive black holes. Stellar, mass black holes, are created when massive stars explode, leaving behind a black hole with the mass of just a few suns. "These are incredibly fast-moving objects that are actually gravitationally unbound to the Milky Way." Though these speed demons may be close to the black hole, they are not shrouded by dust and can be detected with telescopes. A stellar black hole can be seen when it rips a companion star to pieces. When a massive star explodes, not all the material is ejected into space. Some of it collapses into an extremely compact object known as a neutron star, inside which gravitational forces crush protons and electrons together, turning them into particles known as neutrons. A neutron star contains a few solar masses of material squeezed into a radius of only 20 km. This means the matter is so compressed that a thimble full of it would weigh millions of tonnes on Earth. Fast-spinning neutron stars, whose radio emissions seem to pulse on and off, are called pulsars. Quasars is the brightest objects in the universe, they shine anywhere from 10 to 100,000 times brighter than the Milky Way. Shining so brightly that they eclipse the ancient galaxies that contain them, quasars are distant objects powered by black holes a billion times as massive as our sun. These powerful dynamos have fascinated astronomers since their discovery half a century ago. Light-speed jets, the tiny point-like glimmers, are actually signals from galactic nuclei outshining their host galaxies. Quasars live only in galaxies with super massive black holes, black holes that contain billions of times the mass of the sun. Although light cannot escape from the black hole itself, some signals can break free around its edges. While some dust and gas fall into the black hole, other particles are accelerated away from it at near the speed of light. The particles stream away from the black hole in jets above and below it, transported by one of the most powerful partiparticle accelerators in the universe.
Supermassive Black Holes In The Distant Universe
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Author : A.J. Barger
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-09
Supermassive Black Holes In The Distant Universe written by A.J. Barger and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-09 with Science categories.
Quasars, and the menagerie of other galaxies with "unusual nuclei", now collectively known as Active Galactic Nuclei or AGN, have, in one form or another, sparked the interest of astronomers for over 60 years. The only known mechanism that can explain the staggering amounts of energy emitted by the innermost regions of these systems is gravitational energy release by matter falling towards a supermassive black hole --- a black hole whose mass is millions to billions of times the mass of our Sun. AGN emit radiation at all wavelengths. X-rays originating at a distance of a few times the event horizon of the black hole are the emissions closest to the black hole that we can detect; thus, X-rays directly reveal the presence of active supermassive black holes. Oftentimes, however, the supermassive black holes that lie at the centers of AGN are cocooned in gas and dust that absorb the emitted low energy X-rays and the optical and ultraviolet light, hiding the black hole from view at these wavelengths. Until recently, this low-energy absorption presented a major obstacle in observational efforts to map the accretion history of the universe. In 1999 and 2000, the launches of the Chandra and XMM-Newton X-ray Observatories finally broke the impasse. The impact of these observatories on X-ray astronomy is similar to the impact that the Hubble Space Telescope had on optical astronomy. The astounding new data from these observatories have enabled astronomers to make enormous advances in their understanding of when accretion occurs.
Quasars And Black Holes
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Author : Rebecca Hankin
language : en
Publisher:
Release Date : 2017
Quasars And Black Holes written by Rebecca Hankin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with Black holes (Astronomy) categories.
"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.
Black Holes
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Author : Jean-Pierre Luminet
language : en
Publisher: Cambridge University Press
Release Date : 1992-08-28
Black Holes written by Jean-Pierre Luminet and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992-08-28 with Science categories.
Black holes are undoubtedly one of the most fascinating discoveries of modern astronomy, and their description one of the most daring intellectual feats of modern times. They have already become legendary, forming the basis of many myths, fantasies and science fiction movies. Are they really the monsters which devour light and stars; bottomless celestial pits into which all matter is sucked and crushed? Are they an observable reality, or are they just hypothetical objects from the theory of relativity? In answering such questions the author takes us on a fabulous journey through space and time. Dr Jean-Pierre Luminet is an astronomer at Meudon Observatory in France, a specialist on the subject of black holes, and has also acquired a reputation for being a gifted writer and communicator. In this book he makes the subject of black holes accessible to any interested reader, who will need no mathematical background.
Black Holes And The Universe
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Author : Igorʹ Dmitrievich Novikov
language : en
Publisher: Cambridge University Press
Release Date : 1995-09-28
Black Holes And The Universe written by Igorʹ Dmitrievich Novikov and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-09-28 with Nature categories.
A popular account of the properties and significance of black holes.