The Origin Of Comets
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The Origin Of Comets
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Author : M. E. Bailey
language : en
Publisher: Pergamon
Release Date : 1990
The Origin Of Comets written by M. E. Bailey and has been published by Pergamon this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Science categories.
Comets And The Origin And Evolution Of Life
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Author : Paul J. Thomas
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-08-29
Comets And The Origin And Evolution Of Life written by Paul J. Thomas 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 2006-08-29 with Science categories.
Nine years after the publication of Comets and the Origin and Evolution of Life, one of the pioneering books in Astrobiology, this second edition revisits the role comets may have played in the origins and evolution of life. Recent analyses of Antarctic micrometeorites and ancient rocks in Australia and South Africa, the continuing progress in discovering complex organic macromolecules in comets, protostars and interstellar clouds, new insights into organic synthesis in comets, and numerical simulations of comet impacts on the Earth and other members of the solar system yield a spectacular wealth of new results. This second edition is thus actually a new book. As the first edition it is intended as a comprehensive review of current research, accessible to graduate students and others new to the field. Each chapter was prepared by experts to give an overview of an aspect of the field, and carefully revised by the editors for uniformity in style and presentation.
The Comets And Their Origin
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Author : Raymond Arthur Lyttleton
language : en
Publisher: CUP Archive
Release Date : 1953
The Comets And Their Origin written by Raymond Arthur Lyttleton and has been published by CUP Archive this book supported file pdf, txt, epub, kindle and other format this book has been release on 1953 with Comets categories.
Comets And The Origin Of Life
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Author : Nalin Chandra Wickramasinghe
language : en
Publisher: World Scientific
Release Date : 2009-08-31
Comets And The Origin Of Life written by Nalin Chandra Wickramasinghe and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-08-31 with Science categories.
The idea that comets may be connected with the origin of life on Earth was considered heresy a few decades ago, with scientists shying away from this possibility as if from a medieval superstition. However the case that comets may have contributed at least the complex organic building blocks of life has become very strong, and mechanisms have now been identified whereby comets may incubate and transfer microbial life from one cosmic habitat to another in the Galaxy. The latter process cometary panspermia was pioneered by the late Sir Fred Hoyle and one of the present authors in the early 1980's. A theory that was once controversial is slowly gaining scientific respectability and support.The recent surge of interest in astrobiology has led to a spate of books in astrobiology — combining astronomy and biology — but in most of these, cometary panspermia is dealt with only cursorily. The present book sets out the case for cometary panspermia in a cogent way, combining evidence from space science, celestial mechanics, geology and microbiology. It should be an essential part of any university course on astrobiology, and also serve as a reference textbook for researchers in the field.
Comets And The Origin Of Life
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Author : Cyril Ponnamperuma
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Comets And The Origin Of Life written by Cyril Ponnamperuma 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 return of Halley's Cornet in 1986 has generated much ex citement in the scientific community with preparations already afoot for an International Cornet Watch and a cornet launch by the European Space Community, the Japanese and Soviet Space Scientists. The meet ing held at the University of Maryland in October 1980 was primarily stimulated by the preparations for further study of this cornet and by one of the most important unanswered questions related to comets, name ly, whether they may have made a eontribution to the origin of life on earth. Our un"derstanding of the role of comets in the origin of life must necessarily come from our studies of the astronomy and the chem istry of comets. Some clues to the processes which led to the for mation of organic molecules and eventually to the appearance of life have come from these studies of comets, perhaps the most ancient of all objects in our solar system. Whether there is, however, a biology of comets still remains to be seen, although some claims have been made that perhaps comets might themselves provide an environment for even the beginnings of life. Scientists with the latest available information on comets and differing opinions as to the role of comets in the origin of life attended this symposium. The formal papers presented are now being made available to the students of chemical evolution within the pages of this volume.
Comets And Their Origin
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Author : Uwe Meierhenrich
language : en
Publisher: John Wiley & Sons
Release Date : 2015-01-30
Comets And Their Origin written by Uwe Meierhenrich and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-01-30 with Science categories.
Divided into two parts, the first four chapters of Comets and their Origin refer to comets and their formation in general, describing cometary missions, comet remote observations, astrochemistry, artificial comets, and the chirality phenomenon. The second part covers the cometary ROSETTA mission, its launch, journey, scientific objectives, and instrumentations, as well as the landing scenario on a cometary nucleus. Along the way, the author presents general questions concerning the origin of terrestrial water and the molecular beginnings of life on Earth, as well as how the instruments used on a space mission like ROSETTA can help answer them. The text concludes with a chapter on what scientists expect from the ROSETTA mission and how its data will influence our life on Earth. As a result, the author elucidates highly topical and fascinating knowledge to scientists and students of various scientific backgrounds, allowing them to work with ROSETTA's data.
Dynamics Of Comets Their Origin And Evolution
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Author : A. Carusi
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Dynamics Of Comets Their Origin And Evolution written by A. Carusi 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.
Proceedings of the 83rd Colloquium of the International Astronomical Union held in Rome, Italy, June 11-15, 1984
A History Of Physical Theories Of Comets From Aristotle To Whipple
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Author : Tofigh Heidarzadeh
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-05-23
A History Of Physical Theories Of Comets From Aristotle To Whipple written by Tofigh Heidarzadeh 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 2008-05-23 with Science categories.
Although the development of ideas about the motion and trajectory of comets has been investigated piecemeal, we lack a comprehensive and detailed survey of ph- ical theories of comets. The available works either illustrate relatively short periods in the history of physical cometology or portray a landscape view without adequate details. The present study is an attempt to review – with more details – the major physical theories of comets in the past two millennia, from Aristotle to Whipple. My research, however, did not begin with antiquity. The basic question from which this project originated was a simple inquiry about the cosmic identity of comets at the dawn of the astronomical revolution: how did natural philosophers and astronomers define the nature and place of a new category of celestial objects – comets – after Brahe’s estimation of cometary distances? It was from this turning point in the history of cometary theories that I expanded my studies in both the pre-modern and modern eras. A study starting merely from Brahe and ending with Newton, without covering classical and medieval thought about comets, would be incomplete and leave the fascinating achievements of post-Newtonian cometology unexplored.
Meteorites
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Author : Monica M. Grady
language : en
Publisher: Geological Society of London
Release Date : 1998
Meteorites written by Monica M. Grady and has been published by Geological Society of London this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Science categories.
The impact of extraterrestrial material on Earth can lead to effects traceable in both the geological and biological record. This study describes meteorite flux with time, covering small and large bodies capable of producing craters. The effects of impacts on the environment is also covered focusing specifically on the Cretaceous-Tertiary mass extinction event.
The American Journal Of Science
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Author :
language : en
Publisher:
Release Date : 1887
The American Journal Of Science written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1887 with Earth sciences categories.