Morphological Astronomy
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Morphological Astronomy
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Author : Fritz Zwicky
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Morphological Astronomy written by Fritz Zwicky 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 2012-12-06 with Science categories.
Man has a great tendency to get lost or to hide, as the case may be, in a jungle of details and in unnecessary complications. Why do anything simply if you can do it complicated? And still, life itself presents a sufficient number of problems to keep us busy. There would seem to be no need to create additional difficulties, just for the fun of it, especially if these self-made difficulties become practically insuperable and if in the end they cause much unhappiness. The morphological mode of thought and of action was conceived to break the vicious hold which the parasitic wild growth of complications exerts on life in all of its phases. Morphological thought and action are likely to be of value in all human activities, once such thought and action have been clearly delineated and fully developed, and once they have been practised by a sufficiently large number of people. Since the morphological method is of the greatest universality, the choice of the field to which one applies it first is not particulary critical. The author intends to write two or three books on the morphology of several large scale problems, which are both of a technical and of a general social nature. The present book is concerned in particular with some implications of morphological thinking in astronomy. We shall above all emphasize the basic character of the morphological approach, and we shall demonstrate its constructive power in a number of specific cases.
Morphological Astronomy
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Author : Fritz Zwicky
language : en
Publisher:
Release Date : 1948
Morphological Astronomy written by Fritz Zwicky and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1948 with categories.
Galaxy Morphology
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Author : B. W. Holwerda
language : en
Publisher:
Release Date : 2021
Galaxy Morphology written by B. W. Holwerda and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with Galaxies categories.
Galaxy morphology is a long-standing subfield of astronomy, moving from visual qualifications to quantitative morphometrics. This book covers the descriptions developed by astronomers to describe the appearance of galaxies, primarily in optical, ultraviolet and near-infrared wavelengths.
Astronomy And Big Data
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Author : Kieran Jay Edwards
language : en
Publisher: Springer Science & Business Media
Release Date : 2014-04-12
Astronomy And Big Data written by Kieran Jay Edwards 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 2014-04-12 with Technology & Engineering categories.
With the onset of massive cosmological data collection through media such as the Sloan Digital Sky Survey (SDSS), galaxy classification has been accomplished for the most part with the help of citizen science communities like Galaxy Zoo. Seeking the wisdom of the crowd for such Big Data processing has proved extremely beneficial. However, an analysis of one of the Galaxy Zoo morphological classification data sets has shown that a significant majority of all classified galaxies are labelled as “Uncertain”. This book reports on how to use data mining, more specifically clustering, to identify galaxies that the public has shown some degree of uncertainty for as to whether they belong to one morphology type or another. The book shows the importance of transitions between different data mining techniques in an insightful workflow. It demonstrates that Clustering enables to identify discriminating features in the analysed data sets, adopting a novel feature selection algorithms called Incremental Feature Selection (IFS). The book shows the use of state-of-the-art classification techniques, Random Forests and Support Vector Machines to validate the acquired results. It is concluded that a vast majority of these galaxies are, in fact, of spiral morphology with a small subset potentially consisting of stars, elliptical galaxies or galaxies of other morphological variants.
Morphological And Physical Classification Of Galaxies
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Author : G. Longo
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Morphological And Physical Classification Of Galaxies written by G. Longo 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 2012-12-06 with Science categories.
The morphological scheme devised by Hubble and followers to classify galaxies has proven over many decades to be quite effective in directing our quest for the fundamental pa rameters describing the extragalactic manifold. This statement is however far more true for spirals than for ellipticals. Echoing the concluding remarks in Scott Tremaine's sum mary talk at the Princeton meeting on Structure and Dynamics of Elliptical Galaxies, "the Hubble classification of spirals is useful because many properties of spirals (gas con tent, spiral arm morphology, bulge prominence, etc. ) all correlate with Hubble time. By contrast, almost nothing correlates with the elliptical Hubble sequence El to E7. " During the last few years much effort has been put into the search for a more meaningful classification of ellipticals than Hubble's. Concomitantly, forwarded by some provocative conjectures by R. Michard, the classical question of whether E galaxies form a physically homogeneous family has been brushed up once more. Results of these and other parallel studies look rather promising and point to suture part of the dichotomy between ellipticals and disk galaxies which had become popular in the early eighties, owing to dynamical arguments. At the same time it appears more and more clear that, besides the usual genetic varieties of galaxies, products of environmental evolution must also be contemplated in building our modern picture of the "reign of galaxies" . The above considerations prompted us to solicit Prof.
The Astronomy Book
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Author : DK
language : en
Publisher: Dorling Kindersley Ltd
Release Date : 2017-09-07
The Astronomy Book written by DK and has been published by Dorling Kindersley Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-07 with Science categories.
Learn about planets, stars and black holes in The Astronomy Book. Part of the fascinating Big Ideas series, this book tackles tricky topics and themes in a simple and easy to follow format. Learn about Astronomy in this overview guide to the subject, brilliant for beginners looking to learn and experts wishing to refresh their knowledge alike! The Astronomy Book brings a fresh and vibrant take on the topic through eye-catching graphics and diagrams to immerse yourself in. This captivating book will broaden your understanding of Astronomy, with: - More than 100 big astronomical ideas, theories and discoveries - Packed with facts, charts, timelines and graphs to help explain core concepts - A visual approach to big subjects with striking illustrations and graphics throughout - Easy to follow text makes topics accessible for people at any level of understanding The Astronomy Book is the perfect introduction to the story of our ideas about space, time, and the physics of the cosmos, aimed at adults with an interest in the subject and students wanting to gain more of an overview. Here you'll discover more than 100 of the most important theories and discoveries in the history of astronomy and the great minds behind them. If you've ever wondered about the key ideas that underpin the wonders of the universe and the great minds who uncovered them, this is the perfect book for you. Your Astronomy Questions, Simply Explained How do we measure the universe? Where is the event horizon? What is dark matter? If you thought it was difficult to learn the science of celestial objects and phenomena, The Astronomy Book presents key information in an easy to follow layout. Learn ancient speculations about the nature of the universe, through the Copernican Revolution, to the mind-boggling theories of recent science such as those of Albert Einstein and Stephen Hawking, with superb mind maps and step-by-step summaries. And delve into the work of the scientists who have shaped the subject, with biographies of key astronomers such as Ptolemy, Copernicus, Galileo, Newton, Hubble, and Hawking. The Big Ideas Series With millions of copies sold worldwide, The Astronomy Book is part of the award-winning Big Ideas series from DK. The series uses striking graphics along with engaging writing, making big topics easy to understand.
Morphology Kinematics And Star Formation Across The Hubble Sequence Of Galaxies
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Author : Santiago Erroz-Ferrer
language : en
Publisher: Springer
Release Date : 2015-11-21
Morphology Kinematics And Star Formation Across The Hubble Sequence Of Galaxies written by Santiago Erroz-Ferrer and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-11-21 with Science categories.
This thesis discusses the evolution of galaxies through the study of the morphology, kinematics, and star formation properties of a sample of nearby galaxies. The main body of the thesis describes the kinematic observations with the GHaFAS Fabry-Perot instrument on the William Herschel Telescope of a sample of 29 spiral galaxies. The work is closely related to the Spitzer Survey of Stellar Structure in Galaxies, and uses the mid-infrared data of that survey to determine key parameters of the galaxies studied. From these data, important results are obtained on streaming and other non-circular motions in galaxies, on the distribution and rates of star formation, and on how correlations of these parameters and of the rotation curve shape with basic galaxy parameters yield clues on the evolutionary processes taking place in disk galaxies.
Astronomy With Schmidt Type Telescopes
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Author : M. Capaccioli
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Astronomy With Schmidt Type Telescopes written by M. Capaccioli 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 2012-12-06 with Science categories.
The idea of holding a colloquium on Schmidt telescopes (techniques and science) originated from the observation that, in the last ten years and in spite of the remarkable developments and achievements in this field of astronomical research, there had been no specific opportunity for the experts to meet together, make the point on the state of the art, discuss and coordinate future plans. Therefore, Prof. L. Rosino, one of the pioneers in the use of wide-field telescopes, driven also by the wish of honouring the over four decades of activity of the Asiago Observatory, proposed to the Executive Committee of the International Astronomical Union to sponsor a colloquium on 'Astronomy with Schmidt type telescopes I to be held at Asiago at the end of the summer of 1983. Details about the composition of the Scientific Organizing Committee and the sponsoring organizations are given in Prof. Rosino's 'Welcome to the Participants • The granting of this proposal was the beginning of a ' number of headaches tor the members of the Local Organizing Committee, R. Barbon, F. Ciatti, P. Rafanelli and myself. If, organlzationwise, the colloquium was successful, this is truly due to the generous efforts of my colleagues of the SOC and to the efficient organization of the Linta Park, the hotel hosting the meeting.
Modern Cosmology In Retrospect
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Author : B. Bertotti
language : en
Publisher: Cambridge University Press
Release Date : 1990-10-25
Modern Cosmology In Retrospect written by B. Bertotti 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 1990-10-25 with Science categories.
Modern cosmology aims to determine the origin, evolution, and ultimate fate of the Universe. This is an area of modern science that has engendered fierce debates which have captured public interest. This book recounts the development of modern cosmology, in chapters contributed by many of the leading protagonists. It is a fascinating account of physical and observational cosmology, the great cosmological debates, important observations and the riddle of dark matter. The enormous controversy surrounding the Big Bang theory is retold in personal recollections from H. Bondi, W. McCrea, and Fred Hoyle. This is followed by chapters on the discovery of cosmic radio waves and the contributions made by radio astronomers to current cosmology. The book concludes with a tribute to some of the pioneers of cosmology.
Icord 13
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Author : Amaresh Chakrabarti
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-01-12
Icord 13 written by Amaresh Chakrabarti 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 2013-01-12 with Technology & Engineering categories.
This book showcases over 100 cutting-edge research papers from the 4th International Conference on Research into Design (ICoRD’13) – the largest in India in this area – written by eminent researchers from over 20 countries, on the design process, methods and tools, for supporting global product development (GPD). The special features of the book are the variety of insights into the GPD process, and the host of methods and tools at the cutting edge of all major areas of design research for its support. The main benefit of this book for researchers in engineering design and GPD are access to the latest quality research in this area; for practitioners and educators, it is exposure to an empirically validated suite of methods and tools that can be taught and practiced.