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The Many Facets Of Cosmic Explosions
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Book Synopsis The Many Facets of Cosmic Explosions by : Alicia Soderberg
Download or read book The Many Facets of Cosmic Explosions written by Alicia Soderberg and published by Universal-Publishers. This book was released on 2007-10 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past few years, long-duration gamma-ray bursts (GRBs), including the subclass of X-ray flashes (XRFs), have been revealed to be a rare variety of Type Ibc supernova (SN Ibc). While all these events result from the death of massive stars, the electromagnetic luminosities of GRBs and XRFs exceed those of ordinary Type Ibc SNe by many orders of magnitude. The observed diversity of stellar death corresponds to large variations in the energy, velocity, and geometry of the explosion ejecta. Using multi-wavelength (radio, optical, X-ray) observations of the nearest GRBs, XRFs, and SNe Ibc, I show that GRBs and XRFs couple at least 1048 erg to relativistic material while SNe Ibc typically couple less than 1048 erg to their fastest (albeit non-relativistic) outflows. Specifically, I find that less than 3 percent of local SNe Ibc show any evidence for association with a GRB or XRF. Interestingly, this dichotomy is not echoed by the properties of their optical SN emission, dominated by the radioactive decay of Nickel-56; I find that GRBs, XRFs, and SNe Ibc show significant overlap in their optical peak luminosity and photospheric velocities. Recently, I identified a new class of GRBs and XRFs that are under-luminous in comparison with the statistical sample of GRBs. Owing to their faint high-energy emission, these sub-energetic bursts are only detectable nearby (z
Book Synopsis Cosmic Explosions in Three Dimensions by : Peter Höflich
Download or read book Cosmic Explosions in Three Dimensions written by Peter Höflich and published by Cambridge University Press. This book was released on 2004-12-16 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: Supernovae and gamma-ray bursts are the strongest explosions in the Universe. Observations show that, rather than being symmetrical, they are driven by strong jets of energy and other asymmetrical effects. These observations demand theories and computations that challenge the biggest computers. This volume marks the transition to a fresh paradigm in the study of stellar explosions. It highlights the burgeoning era of routine supernova polarimetry and the insights into core collapse and thermonuclear explosions. With chapters by leading scientists, the book summarises the status of a fresh perspective on stellar explosions and should be a valuable resource for graduate students and research scientists.
Book Synopsis Reviews in Modern Astronomy, The Many Facets of the Universe by : Siegfried Röser
Download or read book Reviews in Modern Astronomy, The Many Facets of the Universe written by Siegfried Röser and published by Wiley-VCH. This book was released on 2006-10-16 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 19 continues the Reviews in Modern Astronomy with invited reviews and highlight contributions which were presented during the International Scientific Conference of the Astronomical Society on the topic "The Many Facets of the Universe - Revelations by New Instruments," held at the University of Cologne, Germany, September 26 - October 1, 2005. The contributions to the meeting published in this volume discuss, among other subjects, astrochemistry, astrobiology, cosmology, star and planet formation, and present overviews on new instruments in the infrared and sub-millimeter wavelength range. Highlight: Karl-Schwarzschild-Lecture by G. A. Tammann (Basel) "The Ups and downs of the Hubble constant."
Book Synopsis Cosmic Explosions by : J.M. Marcaide
Download or read book Cosmic Explosions written by J.M. Marcaide and published by Springer Science & Business Media. This book was released on 2005-11-21 with total page 575 pages. Available in PDF, EPUB and Kindle. Book excerpt: Supernovae are among the most energetic phenomena in the Universe and - lated to almost all aspects of modern astrophysics including starburst gal- ies, cosmic ray acceleration, neutron star and black hole formation, nuc- osynthesis and ISM chemical enrichment, energy input to the ISM, cosmic distance scale determination, dark energy related cosmological acceleration, gamma-ray bursts, extra-solar system neutrino burst detection, gravity wave generation, and many more. Additionally, the past 15 years have been p- ticularly productive with many new results and new understanding due in particular to the closest SN in 400 years in SN 1987A in the Large M- ellanic Cloud, and the unusually bright and close SN 1993J and SN 1994I in the nearby galaxies M81 and M51, respectively. In addition, the disc- ery of the ?-ray burst GRB 980425 and its related supernova SN 1998bw, and the con?rmation of GRB 030329/SN 2003dh, tied the study of SNe and GRBs inextricably together. With the many developments since the last - jor supernova meeting in La Serena, Chile in 1997, we felt that it was an appropriate time to bring together experts and students interested in the subject for a meeting where SN and GRB properties and interrelationships could be discussed. The tenth anniversary of SN 1993J provided such an - portunity and, appropriately, the meeting was held in Spain where SN 1993J was discovered on the early morning of 28 March 1993 by a Spanish amateur astronomer, Francisco Garc ́ ?a.
Book Synopsis The Many Faces of Adam and Eve by : Bernard F. Batto
Download or read book The Many Faces of Adam and Eve written by Bernard F. Batto and published by Wipf and Stock Publishers. This book was released on 2022-02-17 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contrary to popular opinion, the story of Adam and Eve is not confined to the book of Genesis. It has roots in prebiblical myth and continued to evolve long after the Bible was completed. Bernard F. Batto traces the development of the Adam and Eve story from its origins in Mesopotamian myth to its reformulation in Genesis and beyond—including its expansion in Jewish epigraphs such as 1 Enoch and the Life of Adam and Eve, and its place in Christian innovations such as the apostle Paul’s thesis that Christ is a second Adam, and in the thinking of church fathers such as Irenaeus, who held that Christ recapitulates all humankind in himself, and Augustine, whose doctrine of original sin interprets the Adam and Eve story. Batto also examines gnostic teachings about a heavenly Adam and an earthly Adam, and surveys rabbinical attempts from the Talmudic period to find hidden meanings in the Genesis story. Islam’s emphasis on Satan’s role in seducing Adam and Eve is also discussed, and the book concludes with Milton’s unforgettable retelling of the Adam and Eve story in Paradise Lost. Batto’s goal is not only to reveal the many faces given Adam and Eve throughout history, but also to understand the divergent cultural and theological factors powering this long, evolving tradition.
Download or read book Cosmic Explosions written by Edo Berger and published by Universal-Publishers. This book was released on 2004 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: The diversity of stellar death is revealed in the energy, velocity and geometry of the explosion debris ("ejecta''). Using multi-wavelength observations of gamma-ray burst (GRB) afterglows I show that GRBs, arising from the death of massive stars, are marked by relativistic, collimated ejecta ("jets'') with a wide range of opening angles. These results suggest that various cosmic explosions are powered by a common energy source, an "engine'' (possibly an accreting stellar-mass black hole), with their diverse appearances determined solely by the variable high velocity output. On the other hand, using radio observations I show that local type Ibc core-collapse supernovae generally lack relativistic ejecta and are therefore not powered by engines. Instead, the highest velocity debris in these sources, typically with a velocity lower than 100,000 km/sec, are produced in the (effectively) spherical ejection of the stellar envelope. The relative rates of engine- and collapse-powered explosions suggest that the former account for only a small fraction of the stellar death rate. Using the first radio and submillimeter observations of GRB hosts, I show that some are extreme starburst galaxies with the bursts directly associated with the regions of most intense star formation. I suggest, by comparison to other well-studied samples, that GRBs preferentially occur in sub-luminous, low mass galaxies, undergoing the early stages of a starburst process. If confirmed with future observations, this trend will place GRBs in the forefront of star formation and galaxy evolution studies.
Book Synopsis The Cosmic Explosion by : Jayant Vishnu Narlikar
Download or read book The Cosmic Explosion written by Jayant Vishnu Narlikar and published by . This book was released on 1992 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Story Begins In The Seventh Century During The Region Of The King Harshavardhna. Bhikku Sariputta, The Head Of The Buddhist Vihar At Sthanvishwar Is A Keen Observer Of The Star-Studded Heavens. His Pet Student Rohit Witnesses A Remarkable Sight In The Sky And Rushes To His Teacher For Guidance. Sariputta Suspects That The Event Is Of Such Great Significance That He Immediately Reports It To The King. At The KingýS Behest With RohitýS Help Sariputta Prepares Meticulous Records Of The Event Which The Buried Underground For Posterity. It Is In The Twentieth Century That The Records In The Form Of Brass Plates Are Accidentally Unearthed. Tatyasaheb Bhagvat, A Scholar On Ancient Indian Studies And The Astrophysicist Avinash Nene Together Find Might Have Momentus Implications For The Earth And Its Inhabitants. Did The Event Records By Sariputta Spell Doom? The Final Part Of The Novel Tells Us What Happened Several More Centuries Later...
Book Synopsis The Many Faces of Coincidence by : Laurence Browne
Download or read book The Many Faces of Coincidence written by Laurence Browne and published by Andrews UK Limited. This book was released on 2017-11-10 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although much has been said and written about coincidences, there is a marked absence when it comes to the development of a comprehensive model that incorporates the many different ways in which they can be understood and explained. One reason for this omission is undoubtedly the sharp divide that exists between those who find coincidences meaningful and those who do not, with the result that the conclusions of the many books and articles on the subject have tended to fall into distinct camps. The Many Faces of Coincidence attempts to remedy this impasse by proposing an inclusive categorisation for coincidences of all shapes and sizes. At the same time, some of the implications arising from the various explanations are explored, including the possibility of an underlying unity of mind and matter constituting the ground of being.
Author :United States. Congress. Joint Committee on Atomic Energy. Special Subcommittee on Radiation Publisher : ISBN 13 : Total Pages :961 pages Book Rating :4.F/5 ( download)
Book Synopsis Technical Aspects of Detection and Inspection Controls of a Nuclear Weapons Test Ban by : United States. Congress. Joint Committee on Atomic Energy. Special Subcommittee on Radiation
Download or read book Technical Aspects of Detection and Inspection Controls of a Nuclear Weapons Test Ban written by United States. Congress. Joint Committee on Atomic Energy. Special Subcommittee on Radiation and published by . This book was released on 1960 with total page 961 pages. Available in PDF, EPUB and Kindle. Book excerpt: Considers technical problems of a nuclear weapons test ban, including the type of research and development programs necessary for a workable system of detection and inspection.
Book Synopsis Four Faces of the Universe by : Robert Kleinman
Download or read book Four Faces of the Universe written by Robert Kleinman and published by Lotus Press. This book was released on 2007-01-10 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explores key perpsectives by which we gain insight into the cosmos.
Book Synopsis Mathematical Aspects of Paradoxes in Cosmology by : Michal Křížek
Download or read book Mathematical Aspects of Paradoxes in Cosmology written by Michal Křížek and published by Springer Nature. This book was released on 2023-07-05 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a mathematical and numerical analysis of many problems which lead to paradoxes in contemporary cosmology, in particular, the existence of dark matter and dark energy. It is shown that these hypothetical quantities arise from excessive extrapolations of simple mathematical models to the whole physical universe. Written in a completely different style to most books on General Relativity and cosmology, the important results take the form of mathematical theorems with precise assumptions and statements. All theorems are followed by a corresponding proof, or an exact reference to the proof. Some nonstandard topics are also covered, including violation of the causality principle in Newtonian mechanics, a critical mathematical and numerical analysis of Mercury's perihelion shift, inapplicability of Einstein's equations to the classical two-body problem due to computational complexity, non-uniqueness of the notion of universe, the topology of the universe, various descriptions of a hypersphere, regular tessellations of hyperbolic spaces, local Hubble expansion of the universe, neglected gravitational redshift in the detection of gravitational waves, and the possible distribution of mass inside a black hole. The book also dispels some myths appearing in the theory of relativity and in contemporary cosmology. For example, although the hidden assumption that Einstein's equations provide a good description of the evolution of the whole universe is considered to be obvious, it is just a null hypothesis which has not been verified by any experiment, and has only been postulated by excessive extrapolations of many orders of magnitude.
Book Synopsis The Conceptual Completion and Extensions of Quantum Mechanics 1932-1941. Epilogue: Aspects of the Further Development of Quantum Theory 1942-1999 by : Jagdish Mehra
Download or read book The Conceptual Completion and Extensions of Quantum Mechanics 1932-1941. Epilogue: Aspects of the Further Development of Quantum Theory 1942-1999 written by Jagdish Mehra and published by Springer Science & Business Media. This book was released on 2004-09-08 with total page 948 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum Theory, together with the principles of special and general relativity, constitute a scientific revolution that has profoundly influenced the way in which we think about the universe and the fundamental forces that govern it. The Historical Development of Quantum Theory is a definitive historical study of that scientific work and the human struggles that accompanied it from the beginning. Drawing upon such materials as the resources of the Archives for the History of Quantum Physics, the Niels Bohr Archives, and the archives and scientific correspondence of the principal quantum physicists, as well as Jagdish Mehra's personal discussions over many years with most of the architects of quantum theory, the authors have written a rigorous scientific history of quantum theory in a deeply human context. This multivolume work presents a rich account of an intellectual triumph: a unique analysis of the creative scientific process. The Historical Development of Quantum Theory is science, history, and biography, all wrapped in the story of a great human enterprise. Its lessons will be an aid to those working in the sciences and humanities alike.
Book Synopsis Aspects of Today's Cosmology by : Antonio Alfonso-Faus
Download or read book Aspects of Today's Cosmology written by Antonio Alfonso-Faus and published by BoD – Books on Demand. This book was released on 2011-09-09 with total page 411 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents some aspects of the cosmological scientific odyssey that started last century. The chapters vary with different particular works, giving a versatile picture. It is the result of the work of many scientists in the field of cosmology, in accordance with their expertise and particular interests. Is a collection of different research papers produced by important scientists in the field of cosmology. A sample of the great deal of efforts made by the scientific community, trying to understand our universe. And it has many challenging subjects, like the possible doomsday to be confirmed by the next decade of experimentation. May be we are now half way in the life of the universe. Many more challenging subjects are not present here: they will be the result of further future work. Among them, we have the possibility of cyclic universes, and the evidence for the existence of a previous universe.
Book Synopsis The Many Faces of the Sun by : Keith T. Strong
Download or read book The Many Faces of the Sun written by Keith T. Strong and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 633 pages. Available in PDF, EPUB and Kindle. Book excerpt: A decade of observations of the Sun with NASAs Solar Maximum Mission satellite has led to important discoveries in solar and atomic physics. This book presents the first comprehensive review of these results in a single volume, providing a snapshot of the current state of knowledge of solar physics. Chapters provide insight into the structure, composition and activity of the Sun, with coverage of topics such as solar flares, variations in the solar irradiance, coronal mass ejections, and spectroscopy.
Book Synopsis From an Atheist to a Believer: Part One by : Reggie Garland
Download or read book From an Atheist to a Believer: Part One written by Reggie Garland and published by Covenant Books, Inc.. This book was released on 2018-01-31 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a former atheist, I was a strong advocate for science verses God as the answer for creation. This book is a series of trials throughout my life and the experiences of a few close friends, that explains how God worked in our lives. It also addresses some difficult questions I had when First becoming a believer.
Book Synopsis Cosmic Beginnings by : I. Ogunbusola Soyinka I. Ogunbusola
Download or read book Cosmic Beginnings written by I. Ogunbusola Soyinka I. Ogunbusola and published by Trafford Publishing. This book was released on 2010-06 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ife` Kenyatta is the first in her bloodline in over 400 years to carry on the traditions of her ancestors, unaware of a destiny to be fulfilled and a cosmological prophecy she is plagued by savage dreams that literally draw blood; driving her to West Africa to seek answers. While traveling the interior of Nigeria at a secluded check point she is stopped and harassed. Escaping from the soldiers she is pursued by them for the mysterious death of one of their comrades. Fleeing from them she encounters a land bewitched with terrifying mirage-like barriers that protect the village where she must go; a village shrouded in mystery populated with spiritually advanced Seers and Shaman. There her only hope is to survive a deadly rites of passage that will empower her with the ability to command the elements, invoke the spirits of the dead and reside in two worlds; that of the living, and that of the dead. There she learns of the war in heaven before the creation of the human race so that she may prepare for an inevitable confrontation. Meanwhile the H20 Command Advanced Technologies vessel captained by Captain Fatima Jatari commissioned specifically for the investigation of unexplainable anomalies, accidents and incidents off the coast of Nigeria she and her crew stumble across the wreckage of what they perceive as a horrible shipping accident, until further investigation reveals the unspeakable; the unbelievable, a horror unimaginable. A thousand miles out in the Atlantic in the middle passage deep beneath the ocean's surface a four hundred year old abomination raises every full moon tormenting Nigeria's coast driving its citizens to the edge of madness. Somehow these two women must join forces to eliminate a common enemy and fulfill an ancient prophecy.
Book Synopsis The Two Faces of Islam by : Stephen Schwartz
Download or read book The Two Faces of Islam written by Stephen Schwartz and published by Anchor. This book was released on 2003-09-09 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since its formation in 1932, Saudi Arabia has been ruled by two interdependent families. The Al Sa’uds control politics and the descendants of Ibn Abd al-Wahhab impose Wahhabism—a violent, fanatical perversion of the pluralistic Islam practiced by most Muslims. Stephen Schwartz argues that Wahhabism, vigorously exported with the help of Saudi oil money, is what incites Palestinian suicide bombers, Osama bin Laden, and other Islamic terrorists throughout the world. Schwartz reveals the hypocrisy of the Saudi regime, whose moderate facade conceals state-sponsored repression and terrorism. He also raises troubling questions about Wahhabi infiltration of America’s Islamic community and about U.S. oil companies sanitizing Saudi Arabia’s image for the West. This sharp analysis and eye-opening expose illuminates the background to the September 11th terrorist attacks and offers new approaches for U.S. policy toward its closest ally in the Middle East.
