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Author: Melissa K. Arnold
Publisher:
ISBN: 9782465789607
Category :
Languages : en
Pages : 0
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Book Description
Like in the past cosmic rays (CR) may help us extend our knowledge of Particle Physics. Such a case is the nature of Dark Matter (DM). That question lies in the intersection of particle physics and astrophysics. It involves both questions of particle physics modeling, as well as of production and propagation of cosmic rays.Cold dark matter (CDM) has been established by many evidence as the stan-dard paradigm for the missing matter of the universe. Beginning with early obser-vations of velocity dispersions of galaxies in clusters [358], and later measurements of galactic rotation curves [296, 295], CDM has been supported by numerous ad- ditional observations. These include strong lensing of background galaxies [339], x-ray emission from galaxy clusters [91], the combination of CMB and type Ia supernovae data [313], measurements of the distributions of galaxies [118, 334], as well as the highly remarkable recent study of the bullet cluster [117].Measurements of the CMB, the need for early structure growth, and the success of big-bang nu-cleosynthesis rule out baryonic matter as being the dark matter, necessitating anew particle beyond the standard model.
Author: Melissa K. Arnold
Publisher:
ISBN: 9782465789607
Category :
Languages : en
Pages : 0
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Book Description
Like in the past cosmic rays (CR) may help us extend our knowledge of Particle Physics. Such a case is the nature of Dark Matter (DM). That question lies in the intersection of particle physics and astrophysics. It involves both questions of particle physics modeling, as well as of production and propagation of cosmic rays.Cold dark matter (CDM) has been established by many evidence as the stan-dard paradigm for the missing matter of the universe. Beginning with early obser-vations of velocity dispersions of galaxies in clusters [358], and later measurements of galactic rotation curves [296, 295], CDM has been supported by numerous ad- ditional observations. These include strong lensing of background galaxies [339], x-ray emission from galaxy clusters [91], the combination of CMB and type Ia supernovae data [313], measurements of the distributions of galaxies [118, 334], as well as the highly remarkable recent study of the bullet cluster [117].Measurements of the CMB, the need for early structure growth, and the success of big-bang nu-cleosynthesis rule out baryonic matter as being the dark matter, necessitating anew particle beyond the standard model.
Author: Mani Bhaumik
Publisher: Penguin Books India
ISBN: 9780143330691
Category : Astronomy
Languages : en
Pages : 140
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Book Description
Are You Feeling A Little Lonely In This Vast Universe? Find Out Who Your Neighbours Are In This Spectacular And Thrilling Guide To The Deepest Mysteries Of The Cosmos. International Best-Selling Author And World-Renowned Scientist Dr Mani Bhaumik Takes Young Readers On A Whirlwind Tour Into Space With The Cosmic Detective. Addressing His Readers As Cosmic Detectives, The Author Actively Enlists His Young Sleuths In Finding Solutions To Questions That Have Puzzled Space Scientists For Ages. How And When Did The Universe Begin? What Are Stars Made Of? How Far Away Are The Most Distant Galaxies? What Is A Quasar? Explore These Fundamental Cosmic Riddles And More In This Fascinating Journey Of Discovery And Wonder. Find Out About Nebulae And Black Holes, Navigate The Galaxies And The Enormous Expanses Beyond, Dive Into The Heart Of Neutron Stars And Walk On Distant Planets As You Join The Author In Investigating The Most Bizarre Aspects Of The Cosmos. And In The Broader Context Of Our Own Existence In The Universe, Dr Bhaumik Reveals That When We Explore The Cosmos, We Also Explore Ourselves. Packed With Interesting Facts And Dazzling Colour Photographs, This Beautifully Written Primer Is Ideal For Students And Cosmic Detectives Of All Ages. Age Group Of Target Audience (Puffin): 11 + See The Wonders Of The Cosmos Here
Author: Science News
Publisher: Diversion Books
ISBN: 1626818444
Category : Science
Languages : en
Pages : 364
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Book Description
Explore the mysteries of the cosmos with this captivating anthology from Science News. Since Edwin Hubble discovered the great distance to Andromeda, our conception of the universe has grown dramatically. No longer bound by the confines of the Milky Way, astronomers and physicists began to study areas of the cosmos much further from home. Our new knowledge and technology have provided us with answers to many astronomical puzzles, but they have also opened the door to countless questions. This extensive collection of articles from Science News delves deep into the mysteries of the universe. Tackling topics from the Big Bang to black holes, and the elusive material known as dark matter, it answers questions and explores still-developing theories. Cosmic Frontiers is perfect for anyone with an interest in the history and fate of our universe. Since 1921, Society for Science & the Public has facilitated global understanding of important scientific discoveries and issues. Since the first publication of the Science News-Letter in 1922, they have grown their audience to millions of readers each year. Now, Science News exposes new readers to thrilling concepts and innovative theories in Cosmic Frontiers.
Author: Stephen Webb
Publisher: Springer Science & Business Media
ISBN: 1461421942
Category : Science
Languages : en
Pages : 381
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Book Description
“New Eyes on the Universe – Twelve Cosmic Mysteries and the Tools We Need to Solve Them” gives an up-to-date broad overview of some of the key issues in modern astronomy and cosmology. It describes the vast amount of observational data that the new generation of observatories and telescopes are currently producing, and how that data might solve some of the outstanding puzzles inherent in our emerging world view. Included are questions such as: What is causing the Universe to blow itself apart? What could be powering the luminous gamma-ray bursters? Where is all the matter in the Universe? Do other Earths exist? Is there intelligent life out there? The renowned author explains clearly, without recourse to mathematics, why each question is puzzling and worthy of research. Included in the study of the wide range of sensitive and powerful instruments used by scientists to try and solve these problems are ones which capture electromagnetic radiation and ‘telescopes’ for cosmic rays, neutrinos, gravitational waves, and dark matter. This book discusses twelve areas of active astronomical research, ranging from the nature of dark energy to the existence or otherwise of extraterrestrial civilizations, and devotes one chapter to each topic. Although astronomers tackle each of these questions using information gleaned from all possible wavelengths and sources (and this is emphasized throughout the book), in this work the author dedicates each chapter to a particular observational method. One chapter covers X-ray telescopes for investigating black holes, while another uses infrared telescopes to learn more about planetary information.
Author: Jerome Drexler
Publisher: Universal-Publishers
ISBN: 1581129297
Category : Science
Languages : en
Pages : 296
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Book Description
There are many mysteries involving cosmic phenomena. Jerome Drexler used 14 of these and his analytical concept of dark matter (DM) relationism to discover a promising candidate for dark matter, the source of ultra-high energy cosmic rays, and theories for star formation, starburst galaxies, and the emergence of DM halos. To test the validity of his discoveries, Drexler used another 11 unexplained cosmic phenomena discovered by astronomers primarily during 2005. Utilizing his same promising dark matter candidate, Drexler was able to explain in a plausible manner all 11 of these recently discovered cosmic mysteries. Drexler's research has led not only to an identification of dark matter and to plausible explanations for the 25 cosmic phenomena, but also to a deeper understanding of many aspects of the cosmos, leading to a partial decoding of the cosmos.
Author: Paul M. Mantsch
Publisher:
ISBN: 9781794632585
Category : Astronomical observatories
Languages : en
Pages : 0
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Book Description
After nearly a century of study, the mysterious origin of the highest-energy cosmic rays continues to elude scientists. Solving this mystery is almost certain to bring new and more profound understanding of the nature of the universe. This is the story of the Pierre Auger Cosmic Ray Observatory, conceived and built by a unique international collaboration of researchers in Argentina in pursuit of this mystery.
Author: P.K.F. Grieder
Publisher: Elsevier
ISBN: 0080530052
Category : Science
Languages : en
Pages : 1117
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Book Description
In 1912 Victor Franz Hess made the revolutionary discovery that ionizing radiation is incident upon the Earth from outer space. He showed with ground-based and balloon-borne detectors that the intensity of the radiation did not change significantly between day and night. Consequently, the sun could not be regarded as the sources of this radiation and the question of its origin remained unanswered. Today, almost one hundred years later the question of the origin of the cosmic radiation still remains a mystery.Hess' discovery has given an enormous impetus to large areas of science, in particular to physics, and has played a major role in the formation of our current understanding of universal evolution. For example, the development of new fields of research such as elementary particle physics, modern astrophysics and cosmology are direct consequences of this discovery. Over the years the field of cosmic ray research has evolved in various directions: Firstly, the field of particle physics that was initiated by the discovery of many so-called elementary particles in the cosmic radiation. There is a strong trend from the accelerator physics community to reenter the field of cosmic ray physics, now under the name of astroparticle physics. Secondly, an important branch of cosmic ray physics that has rapidly evolved in conjunction with space exploration concerns the low energy portion of the cosmic ray spectrum. Thirdly, the branch of research that is concerned with the origin, acceleration and propagation of the cosmic radiation represents a great challenge for astrophysics, astronomy and cosmology. Presently very popular fields of research have rapidly evolved, such as high-energy gamma ray and neutrino astronomy. In addition, high-energy neutrino astronomy may soon initiate as a likely spin-off neutrino tomography of the Earth and thus open a unique new branch of geophysical research of the interior of the Earth. Finally, of considerable interest are the biological and medical aspects of the cosmic radiation because of it ionizing character and the inevitable irradiation to which we are exposed. This book is a reference manual for researchers and students of cosmic ray physics and associated fields and phenomena. It is not intended to be a tutorial. However, the book contains an adequate amount of background materials that its content should be useful to a broad community of scientists and professionals. The present book contains chiefly a data collection in compact form that covers the cosmic radiation in the vicinity of the Earth, in the Earth's atmosphere, at sea level and underground. Included are predominantly experimental but also theoretical data. In addition the book contains related data, definitions and important relations. The aim of this book is to offer the reader in a single volume a readily available comprehensive set of data that will save him the need of frequent time consuming literature searches.
Author: Dan Hooper
Publisher: Princeton University Press
ISBN: 0691197008
Category : Science
Languages : en
Pages : 248
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Book Description
A new look at the first few seconds after the Big Bang—and how research into these moments continues to revolutionize our understanding of our universe Scientists in the past few decades have made crucial discoveries about how our cosmos evolved over the past 13.8 billion years. But there remains a critical gap in our knowledge: we still know very little about what happened in the first seconds after the Big Bang. At the Edge of Time focuses on what we have recently learned and are still striving to understand about this most essential and mysterious period of time at the beginning of cosmic history. Delving into the remarkable science of cosmology, Dan Hooper describes many of the extraordinary and perplexing questions that scientists are asking about the origin and nature of our world. Hooper examines how we are using the Large Hadron Collider and other experiments to re-create the conditions of the Big Bang and test promising theories for how and why our universe came to contain so much matter and so little antimatter. We may be poised to finally discover how dark matter was formed during our universe’s first moments, and, with new telescopes, we are also lifting the veil on the era of cosmic inflation, which led to the creation of our world as we know it. Wrestling with the mysteries surrounding the initial moments that followed the Big Bang, At the Edge of Time presents an accessible investigation of our universe and its origin.
Author: Steff Jaywan
Publisher: Dedona Publishing
ISBN:
Category : Science
Languages : en
Pages : 26
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Book Description
Cosmic rays are an intriguing aspect of astrophysics, originating from various sources in the universe, such as supernovae, pulsars, and even black holes. They consist of charged particles accelerated to incredible energies, often far beyond what our most powerful particle accelerators on Earth can achieve. These particles, when they collide with the Earth's atmosphere, create secondary particles in a cascade of interactions, leading to a fascinating array of phenomena. Studying cosmic rays provides valuable insights into the universe's most extreme environments and processes. They offer clues about the composition of cosmic objects, the nature of dark matter, and the magnetic fields permeating space. Moreover, understanding cosmic rays is crucial for space exploration, as they pose radiation hazards to astronauts and spacecraft. Researchers use ground-based detectors, high-altitude balloons, and even satellites to study cosmic rays from different vantage points. By analyzing the energy spectrum, arrival directions, and particle types, scientists aim to unlock the mysteries surrounding these enigmatic messengers from the cosmos.
Author: Camille Flammarion
Publisher: Good Press
ISBN:
Category : Fiction
Languages : en
Pages : 132
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Book Description
Lumen is a sci-fi story by Camille Flammarion. A celestial spirit called Lumen reveals the scientific miracles of the heavenly universe to Quaerens, a young pursuer of knowledge. A mysterious science fiction tale!
