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Author: Antonio Kinchen
Publisher:
ISBN: 9780999515723
Category :
Languages : en
Pages :
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Book Description
Quasars And Memories is the sequel to Antonio Kinchen's Stars And Dreams. This collection continues the evocative recounting of love learned and lost. From concise works to lengthy narrative masterpieces, experience vivid verses that breathe the truth of all hearts!
Author: Antonio Kinchen
Publisher:
ISBN: 9780999515723
Category :
Languages : en
Pages :
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Book Description
Quasars And Memories is the sequel to Antonio Kinchen's Stars And Dreams. This collection continues the evocative recounting of love learned and lost. From concise works to lengthy narrative masterpieces, experience vivid verses that breathe the truth of all hearts!
Author: Franz Daniel Kahn
Publisher: Manchester University Press
ISBN:
Category : Quasars
Languages : en
Pages : 152
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Book Description
Author: Paola Marziani
Publisher: Frontiers Media SA
ISBN: 2889456048
Category :
Languages : en
Pages : 447
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Book Description
The last 50 years have seen a tremendous progress in the research on quasars. From a time when quasars were unforeseen oddities, we have come to a view that considers quasars as active galactic nuclei, with nuclear activity a coming-of-age experienced by most or all galaxies in their evolution. We have passed from a few tens of known quasars of the early 1970s to the 500,000 listed in the catalogue of the Data Release 14 of the Sloan Digital Sky Survey. Not surprisingly, accretion processes on the central black holes in the nuclei of galaxies — the key concept in our understanding of quasars and active nuclei in general — have gained an outstanding status in present-day astrophysics. Accretion produces a rich spectrum of phenomena in all bands of the electromagnetic spectrum. The power output of highly-accreting quasars has impressive effects on their host galaxies. All the improvement in telescope light gathering and in computing power notwithstanding, we still miss a clear connection between observational properties and theory for quasars, as provided, for example, by the H-R diagram for stars. We do not yet have a complete self-consistent view of nuclear activity with predictive power, as we do for main-sequence stellar sources. At the same time quasars offer many “windows open onto the unknown". On small scales, quasar properties depend on phenomena very close to the black hole event horizon. On large scales, quasars may effect evolution of host galaxies and their circum-galactic environments. Quasars’ potential to map the matter density of the Universe and help reconstruct the Universe’s spacetime geometry is still largely unexploited. The times are ripe for a critical assessment of our present knowledge of quasars as accreting black holes and of their evolution across the cosmic time. The foremost aim of this research topic is to review and contextualize the main observational scenarios following an empirical approach, to present and discuss the accretion scenario, and then to analyze how a closer connection between theory and observation can be achieved, identifying those aspects of our understanding that are still on a shaky terrain and are therefore uncertain knowledge. This research topic covers topics ranging from the nearest environment of the black hole, to the environment of the host galaxies of active nuclei, and to the quasars as markers of the large scale structure and of the geometry of spacetime of the Universe. The spatial domains encompass the accretion disk, the emission and absorption regions, circum-nuclear starbursts, the host galaxy and its interaction with other galaxies. Systematic attention is devoted to some key problems that remain outstanding and are clearly not yet solved: the existence of two quasar classes, radio quiet and radio loud, and in general, the systematic contextualization of quasar properties the properties of the central black hole, the dynamics of the accretion flow in the inner parsecs and the origin of the accretion matter, the quasars’ small and large scale environment, the feedback processes produced by the black hole into the host galaxy, quasar evolutionary patterns from seed black holes to the present-day Universe, and the use of quasars as cosmological standard candles. The timing is appropriate as we are now witnessing a growing body of results from major surveys in the optical, UV X, near and far IR, and radio spectral domains. Radio instrumentation has been upgraded to linear detector — a change that resembles the introduction of CCDs for optical astronomy — making it possible to study radio-quiet quasars at radio frequencies. Herschel and ALMA are especially suited to study the circum-nuclear star formation processes. The new generation of 3D magnetohydrodynamical models offers the prospective of a full physical modeling of the whole quasar emitting regions. At the same time, on the forefront of optical astronomy, applications of adaptive optics to long-slit spectroscopy is yielding unprecedented results on high redshift quasars. Other measurement techniques like 2D and photometric reverberation mapping are also yielding an unprecedented amount of data thanks to dedicated experiments and instruments. Thanks to the instrumental advances, ever growing computing power as well as the coming of age of statistical and analysis techniques, the smallest spatial scales are being probed at unprecedented resolution for wide samples of quasars. On large scales, feedback processes are going out of the realm of single-object studies and are entering into the domain of issues involving efficiency and prevalence over a broad range of cosmic epochs. The Research Topic "Quasars at all Cosmic Epochs" collects a large fraction of the contributions presented at a meeting held in Padova, sponsored jointly by the National Institute for Astrophysics, the Padova Astronomical Observatory, the Department of Physics and Astronomy of the University of Padova, and the Instito de Astrofísica de Andalucía (IAA) of the Consejo Superiór de Investigación Cientifica (CSIC). The meeting has been part of the events meant to celebrate the 250th anniversary of the foundation of the Padova Observatory.
Author: Isaac Asimov
Publisher: Gareth Stevens Publishing
ISBN: 9780836811339
Category : Juvenile Nonfiction
Languages : en
Pages : 32
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Book Description
Stressing the concept that coherence is the key to garden design, Paterson invites us to indulge our need for beauty and to explore the creative rewards that linger tantilizingly just beyond our backdoors.
Author: Isaac Asimov
Publisher: Gareth Stevens Publishing
ISBN: 9781555323516
Category : Juvenile Nonfiction
Languages : en
Pages : 36
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Book Description
Discusses the formation and peculiar features of the universe, particularly stars and galaxies emitting special types of radio waves.
Author: Mauro D'Onofrio
Publisher: Springer Science & Business Media
ISBN: 3642275648
Category : Science
Languages : en
Pages : 613
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Book Description
The 50th anniversary of the discovery of quasars in 1963 presents an interesting opportunity to ask questions about the current state of quasar research. Formatted as a series of interviews with noted researchers in the field, each of them asked to address a specific set of questions covering topics selected by the editors, this book deals with the historical development of quasar research and discusses how advances in instrumentation and computational capabilities have benefitted quasar astronomy and have changed our basic understanding of quasars. In the last part of the book the interviews address the current topic of the role of quasars in galaxy evolution. They summarise open issues in understanding active galactic nuclei and quasars and present an outlook regarding what future observational facilities both on the ground and in space might reveal. Its interview format, the fascinating topic of quasars and black holes, and the lively recollections and at times controversial views of the contributors make this book both rewarding and a pleasure to read!
Author: Pearl Tate
Publisher: Steamy Media LLC
ISBN:
Category : Fiction
Languages : en
Pages : 1534
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Book Description
Complete the hot and steamy alien abduction romance series The Quasar Lineage. The women are abducted from Earth and given new lives with their fated mates. Discover the instalove in this complete action and adventure boxset containing the following seven sci-fi alien abduction romances: TRAVEK’S TREASURE When I’m sucked into a bright light and confined to a freezing cell, I’m scared to death as I try to figure out what’s going on… and why? I’m one of the most boring, average girls you could ever meet. So, why would the government want me? And why do I feel a magnetic pull I can’t explain to someone... or something... I’ve never met before? REMUS’S REVELATION When I’m sucked into their bright light while at a study group, I’m shocked that they’re abducting me from a room with other people—why can I suddenly remember not only this visit but dozens more? And who is this strange, new alien claiming I’m his mate? SELAS’S SALVATION When I’m abducted by aliens at a study group with friends, I’m told if I give up my family and life on Earth, I can have the life I want. But it also comes with a little catch that definitely sounds… interesting. Is there really someone out there that’s perfect for me? ATTICUS’S ANGEL My entire life is controlled by my mother and the genetic disease I was born with that robs me of so much, including the ability to have a baby. As if the special schools and special classes weren’t enough, now my mother is considering a special home! So, when I’m offered another life—one that sounds too good to be true—I jump at the chance to be healed and have a family. Of course, no one mentioned the danger… BROCK’S BELOVED When I’m offered a chance to be healed, there really isn’t anything that could make me turn it down. Even finding out my new mate comes from the most volatile lineage in their society. After all, I can talk down the most irrational idiots. How different could this be? What I don’t expect is to enjoy it. But his possessiveness and dominating personality do strange things to me. And I like it… CHEVEPAK’S CHERISHED When I’m approached and offered an important mission, a purpose that could help thousands of people lead a better life, I’m intrigued… especially since it also comes with a mate. Someone who’s not only going to heal my body and want only me, but I’ll never catch them banging someone else on the kitchen table. But on the way to fulfill my destiny, our spacecraft is almost destroyed by a sleeper spy attempting a suicide mission. Then, we’re hijacked by an insect-shaped species that’s planning on conquering the Quasar planet. The Council seems dead-set against even discussing either event, which leads us all to believe they’re involved. But could the Sacred Mother, the planet’s original salvation, be part of the conspiracy too? Will we reach the planet and find my mate in time to expose the truth of their women’s past treachery to all the Quasar citizens, uniting them once and for all? Or will the Marel arrive first, taking over and harvesting them for food? MIHILE’S MARVEL My mate’s planet is under siege by the Marel, an insect-looking species of alien that accosts us on our way to Quasar. We escape but find out more Marel are on the way. They’re working with someone high in power on the planet, and we need to expose the female’s original treaty with the Ashen in addition to this new threat. Is it too late to save the clueless on the planet Quasar and offer them additional protection? Will the Marel be able to set up their breeding farms when their backup arrives? Will the population of Quasar even believe the threat is real before it’s too late? Don’t miss out on these fated mate alien romances guaranteed to have you wanting an Quasar alien all for yourself!
Author: Richard Hantula
Publisher: Gareth Stevens Publishing LLLP
ISBN: 9780836839654
Category : Juvenile Nonfiction
Languages : en
Pages : 36
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Book Description
Explores the different types of stars, black holes, and other celestial bodies, including the star-like objects that emit radio waves, known as quasars.
Author: E. D. Detetcheverrie
Publisher: iUniverse
ISBN: 0595235441
Category : Fiction
Languages : en
Pages : 292
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Book Description
SILVER SPHERE SIGHTINGS… A collection of sexy, funny, science fiction tales from the Quasar series of stories.QUASAR 169 Alex Roglitz is sick of aliens, sick of the quasi-realities he keeps getting teamed up with known as Quasars, and pretending to be sick until he can get transferred elsewhere in the para-policing facility he works for called StarNet. His dream nearly comes true until he's handed one last case and one last new partner—a fourteen year old girl! Things are not what they seem as Alex and Amanda track down clues surrounding the murder of the beautiful Geminarian interpreter who was raped by an alien...especially when the victim decides to post bail for her own killer!WHERE THE QUASAR Xenophobe Alex Roglitz is sent to investigate a brilliant young couple who claim to be creating Quasars in their basement! Can Amanda save him when he's taken hostage by a mad scientist or will one of his former partners have to do the job?QUASARFLIGHT He hasn't seen the Silver Sphere aliens since they abducted his mother, but now the strange, powerful entities have taken over part of Canada and maybe even Alex himself!Also by E.D.Detetcheverrie… Trumpet Of The Unicorn, a 35 million year old mystery, available wherever quality books are sold.
Author: Stephen McCoy
Publisher: Xlibris Corporation
ISBN: 1524538140
Category : Fiction
Languages : en
Pages : 313
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Book Description
This novel involves the future of space travel with a highly trained crew of six. The Osprey is a mining ship with seventeen months of successful journey to Jupiters moon Io for the gold and diamond resources then back home to their families on Earth. The crew has a secondary mission of delivering the emergency medical supplies to the outermost space frontier of La Grange. The base of La Grange was located on Jupiters moon Ganymede. Their previous supply ship had crashed in Mars asteroid belt. With the personnel at a total of 531, plus their families, the survivors depend on this precious cargo. At the present time, Saturns orbital path is in virtual alignment with Jupiters around the sun. Saturns two moons collide, and it produces a quasar and creates the time warp factor, which complicate the crews survival. The survival of the remaining crew depends on the conservation of precious commodities, food and water. It will demand for the survivors ability to adapt to the hardships while on their returning trip back home to planet Earth. Ospreys captain is Commander Kenneth Winter. He rules with a tight fist. Once his mind is made up, theres no turning back. With communication lost, theres no possible way of informing the Earth base of the dilemma. The Ospreys payload has a fully loaded bounty of gold and diamond, and the greatest fear is the pirates.
