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1. |
Record Nr. |
UNINA9910301468703321 |
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Titolo |
Der Schützengraben |
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Pubbl/distr/stampa |
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Bapaume, : Korpsbuchhandlung, 1915-1917 |
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ISSN |
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Descrizione fisica |
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1 online resource (3 volumes) : illustrations |
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Soggetti |
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World War, 1914-1918 |
World War, 1914-1918 - Regimental histories - Germany |
Regimental histories |
Periodicals. |
Germany |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Periodico |
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Note generali |
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2. |
Record Nr. |
UNINA9910813435903321 |
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Autore |
Gale J (Joseph), <1931-> |
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Titolo |
Astrobiology of Earth : the emergence, evolution, and future of life on a planet in turmoil / / Joseph Gale |
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Pubbl/distr/stampa |
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Oxford, : Oxford University Press, 2009 |
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ISBN |
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1-383-03449-4 |
1-282-32865-4 |
9786612328657 |
0-19-154835-9 |
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Edizione |
[1st ed.] |
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Descrizione fisica |
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1 online resource (262 p.) |
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Collana |
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Oxford scholarship online |
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Disciplina |
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Soggetti |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Formerly CIP. |
Previously issued in print: 2009. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Contents; Introduction; Symbols and abbreviations; 1 What is life? Why water?; What is life?; Why water?; Summary; 2 The universe from the perspective of biology; Some special units of measurement used in astronomy; Time; Biologically significant events occurring in the universe; Stars; Galaxies; Planets of other star systems; Comets and asteroids; A brief survey of some other denizens of the universe; Galactic and Circumstellar Habitable Zones; Summary; 3 The Solar System and life on Earth: I; Main components of the Solar System; Our star, the Sun; The heliosphere and solar wind |
The Sun's short-wave EM radiationSolar radiation and the temperature balance of the Earth's surface; Solar radiation and photosynthesis; Short-wave solar radiation, signals, and vision; The concept of a Circumstellar Habitable Zone (CHZ); Planets of the Solar System and life on Earth; Some extraterrestrial sites in the Solar System which may support life; Summary; 4 The Solar System and life on Earth: II; Comets and asteroids; Planetary satellites and life; Earth-a unique planet of the Solar System; Cosmic radiation and the solar wind; Summary |
5 Early and present Earth and its circumnavigation of the SunEarly |
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Earth; Motions of Earth in its circumnavigation of the Sun; Significance of the Moon to life on Earth; Jupiter-Earth's guardian angel (perhaps); Summary; 6 Origin of life and photosynthesis; What do we know, what can we know of the origin of life?; Panspermia; The empirical 'bottom-up' approach to understanding the 'rapid' appearance of life. Can we produce life in a test tube?; Some conjectures; Hypotheses concerning the origin of life on Earth; The origin of photosynthesis; The evolution of photosynthesis |
Consequences of lack of birth control in plantsSummary; 7 Setting the stage for the evolution of life on a tumultuous planet; Earth's 'third atmosphere'; Oxygen, UV radiation, and early ice ages; Some biological effects of the oxygen revolution; Carbon dioxide in Earth's third atmosphere; Composition of Earth's atmosphere in the late Quaternary period; Major stress factors which affected the evolution of life; Mass extinctions in the fossil record: local and planet-wide catastrophes; Conclusions; Summary; 8 Mechanisms of evolution: from first cells and extremophiles to complex life |
The dating problemTiming of the main events in evolution; Some early ideas about evolution; Some recent theories of the mechanism of evolution; The continuing coevolution of molecular biology and evolutionary theory; Extremophiles; Summary; 9 The evolution of humans and their interaction with the biosphere; Human origins; Human population; Homo sapiens sapiens (horribilis horribilis?) and the biosphere; Politically correct environmental science; How many people can the world support?; A note on land and energy resources; Summary; 10 In search of extraterrestrial life |
A short history of the origins of astrobiology |
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Sommario/riassunto |
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An understanding of the conditions that allowed life to emerge and exist on our planet is essential if we are to answer two fundamental questions facing humanity - the continuation of life on earth, and the existence of life outside our planet. This text contributes to our understanding of astrobiology as it applies to planet Earth. |
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