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Books > Science & Mathematics > Astronomy, space & time

Chemical Evolution of Galaxies (Hardcover, 2012): Francesca Matteucci Chemical Evolution of Galaxies (Hardcover, 2012)
Francesca Matteucci
R3,625 Discovery Miles 36 250 Ships in 10 - 15 working days

The term chemical evolution of galaxies refers to the evolution of abundances of chemical species in galaxies, which is due to nuclear processes occurring in stars and to gas flows into and out of galaxies.

This book deals with the chemical evolution of galaxies of all morphological types (ellipticals, spirals and irregulars) and stresses the importance of the star formation histories in determining the properties of stellar populations in different galaxies. The topic is approached in adidactical and logical manner via galaxy evolution models which are compared with observational results obtained in the last two decades: The reader is given an introduction to the concept of chemical abundances and learns about the main stellar populations in our Galaxy as well as about the classification of galaxy types and their main observables. In the core of the book, the construction and solution of chemical evolution modelsare discussed in detail, followed by descriptions and interpretations of observations of the chemical evolution of the Milky Way, spheroidal galaxies, irregular galaxies and of cosmic chemical evolution.

The aim of this book is to provide an introduction to students as well as toamend our present ideas in research; the book also summarizes the efforts made by authors in the past several years in order tofurther future research in the field.

"

Cross-Calibration of Far UV Spectra of Solar System Objects and the Heliosphere (Hardcover, 2013 ed.): Eric Quemerais, Martin... Cross-Calibration of Far UV Spectra of Solar System Objects and the Heliosphere (Hardcover, 2013 ed.)
Eric Quemerais, Martin Snow, Roger-Maurice Bonnet
R3,493 Discovery Miles 34 930 Ships in 12 - 17 working days

This book is the result of a working group sponsored by ISSI in Bern, which was initially created to study possible ways to calibrate a Far Ultraviolet (FUV) instrument after launch. In most cases, ultraviolet instruments are well calibrated on the ground, but unfortunately, optics and detectors in the FUV are very sensitive to contaminants and it is very challenging to prevent contamination before and during the test and launch sequences of a space mission. Therefore, ground calibrations need to be confirmed after launch and it is necessary to keep track of the temporal evolution of the sensitivity of the instrument during the mission.
The studies presented here cover various fields of FUV spectroscopy, including a catalog of stellar spectra, datasets of Moon Irradiance, observations of comets and measurements of the interplanetary background. Detailed modelling of the interplanetary background is presented as well. This work also includes comparisons of older datasets with current ones. This raises the question of the consistency of the existing datasets. Previous experiments have been calibrated independently and comparison of the datasets may lead to inconsistencies. The authors have tried to check that possibility in the datasets and when relevant suggest a correction factor for the corresponding data."

Inner Solar System - Prospective Energy and Material Resources (Hardcover, 1st ed. 2015): Viorel Badescu, Kris Zacny Inner Solar System - Prospective Energy and Material Resources (Hardcover, 1st ed. 2015)
Viorel Badescu, Kris Zacny
R4,823 R3,728 Discovery Miles 37 280 Save R1,095 (23%) Ships in 12 - 17 working days

This book investigates Venus and Mercury prospective energy and material resources. It is a collection of topics related to exploration and utilization of these bodies. It presents past and future technologies and solutions to old problems that could become reality in our life time. The book therefore is a great source of condensed information for specialists interested in current and impending Venus and Mercury related activities and a good starting point for space researchers, inventors, technologists and potential investors. Written for researchers, engineers, and businessmen interested in Venus and Mercury exploration and exploitation.

Taking the Back off the Watch - A Personal Memoir (Hardcover, 2012 ed.): Thomas Gold Taking the Back off the Watch - A Personal Memoir (Hardcover, 2012 ed.)
Thomas Gold; Edited by Simon Mitton
R2,889 Discovery Miles 28 890 Ships in 10 - 15 working days

Thomas Gold (1920-2004) had a curious mind that liked to solve problems. He was one of the most remarkable astrophysicists in the second half of the twentieth century, and he attracted controversy throughout his career. Based on a full-length autobiography left behind by Thomas Gold, this book was edited by the astrophysicist and historian of science, Simon Mitton (University of Cambridge).

The book is a retrospective on Gold's remarkable life. He fled from Vienna in 1933, eventually settling in England and completing an engineering degree at Trinity College in Cambridge. During the war, he worked on naval radar research alongside Fred Hoyle and Hermann Bondi - which, in an unlikely chain of events, eventually led to his working with them on steady-state cosmology. In 1968, shortly after their discovery, he provided the explanation of pulsars as rotating neutron stars.

In his final position at Cornell, he and his colleagues persuaded the US Defense Department to fund the conversion of the giant radio telescope at Arecibo in Puerto Rico into a superb instrument for radio astronomy. Gold's interests covered physiology, astronomy, cosmology, geophysics, and engineering.

Written in an intriguing style and with an equally intriguing foreword by Freeman Dyson, this book constitutes an important historical document, made accessible to all those interested in the history of science.

"

Searching for Extraterrestrial Intelligence - SETI Past, Present, and Future (Hardcover, 2011 Ed.): H. Paul Shuch Searching for Extraterrestrial Intelligence - SETI Past, Present, and Future (Hardcover, 2011 Ed.)
H. Paul Shuch
R2,164 R1,752 Discovery Miles 17 520 Save R412 (19%) Ships in 10 - 15 working days

This book is a collection of essays written by the very scientists and engineers who have led, and continue to lead, the scientific quest known as SETI, the search for extraterrestrial intelligence. Divided into three parts, the first section, 'The Spirit of SETI Past', written by the surviving pioneers of this then emerging discipline, reviews the major projects undertaken during the first 50 years of SETI science and the results of that research.

In the second section, 'The Spirit of SETI Present', the present-day science and technology is discussed in detail, providing the technical background to contemporary SETI instruments, experiments, and analytical techniques, including the processing of the received signals to extract potential alien communications.

In the third and final section, 'The Spirit of SETI Future', the book looks ahead to the possible directions that SETI will take in the next 50 years, addressing such important topics as interstellar message construction, the risks and assumptions of interstellar communications, when we might make contact, what aliens might look like and what is likely to happen in the aftermath of such a contact.

Kinetic Theory of the Inner Magnetospheric Plasma (Hardcover, 2011 ed.): George V Khazanov Kinetic Theory of the Inner Magnetospheric Plasma (Hardcover, 2011 ed.)
George V Khazanov
R5,719 Discovery Miles 57 190 Ships in 10 - 15 working days

The inner magnetosphere plasma is a very unique composition of different plasma particles and waves. It covers a huge energy plasma range with spatial and time variations of many orders of magnitude. In such a situation, the kinetic approach is the key element, and the starting point of the theoretical description of this plasma phenomena which requires a dedicated book to this particular area of research.

Probing the Early Universe with the CMB Scalar, Vector and Tensor Bispectrum (Hardcover, 2013 ed.): Maresuke Shiraishi Probing the Early Universe with the CMB Scalar, Vector and Tensor Bispectrum (Hardcover, 2013 ed.)
Maresuke Shiraishi
R1,876 Discovery Miles 18 760 Ships in 12 - 17 working days

The non-Gaussianity in the primordial density fluctuations is a key feature to clarify the early Universe and it has been probed with the Cosmic Microwave Background (CMB) bispectrum. In recent years, we have treated the novel-type CMB bispectra, which originate from the vector- and tensor-mode perturbations and include the violation of the rotational or parity invariance. On the basis of our current works, this thesis provides the general formalism for the CMB bispectrum sourced by the non-Gaussianity in the scalar, vector and tensor-mode perturbations. Applying this formalism, we calculate the CMB bispectra from the two scalars and a graviton correlation and primordial magnetic fields, and then outline new constraints on these magnitudes. Furthermore, this formalism can be easily extended to the cases where the rotational or parity invariance is broken. We also compute the CMB bispectra from the scalar-mode non-Gaussianities with a preferred direction and the tensor-mode non-Gaussianities induced by the parity-violating Weyl cubic terms. Here, we show that these bispectra include unique signals, which any symmetry-invariant models can never produce.

Nonlinear Phenomena in Stellar Variability - Proceedings of the 134th Colloquium of the International Astronomical Union Held... Nonlinear Phenomena in Stellar Variability - Proceedings of the 134th Colloquium of the International Astronomical Union Held in Mito, Japan, January 7-10, 1992 (Hardcover)
M. Takeuti, J.R. Buchler
R2,506 Discovery Miles 25 060 Ships in 12 - 17 working days

The nonlinear theory of oscillating systems has introduced new aspects to the study of variable stars. Beyond the comparison of linear periods and the estimate of stability, the appearance and disappearance of possible models can be studied in detail. While nonlinearity in stellar pulsations is not a very complicated concept, it generally requires extensive and sometimes sophisticated numerical studies. The development of appropriate computational tools has allowed us to apply the nonlinear theory to real phenomena in variable stars. The International Astronomical Union Colloquium No. 134 presents a review of the new frontiers of variable star studies, one which should encourage further development of this field.

Disasters in Space: Stories from the US-Soviet Space Race and Beyond (Hardcover): Hermann Woydt, Motorbuch Disasters in Space: Stories from the US-Soviet Space Race and Beyond (Hardcover)
Hermann Woydt, Motorbuch
R597 R517 Discovery Miles 5 170 Save R80 (13%) Ships in 12 - 17 working days

The journey into space is a dangerous one, and although some aspects of space travel seem to be routine it still takes humanity to the limits of what is technically possible. It is an environment that forgives no mistake, and where carelessness usually has fatal consequences. This book records more than a dozen American and Soviet space disasters from 1967 to the present day. Presented are tragic and near tragic missions such as NASA's Gemini 6A and 8, Apollo 1 and 13, the Challenger and Columbia space shuttle disasters, as well as the Soviets' Soyuz 1, 11, and 18-1, and more. The concise and detailed history is presented along with rare photographs, transcripts of mission conversations, as well as detailed timelines.

Lukas' Favorite Things - A Kid's Introduction to Our Solar System (Hardcover): Amaris Crouch-Nowoisky, Lukas Nowoisky Lukas' Favorite Things - A Kid's Introduction to Our Solar System (Hardcover)
Amaris Crouch-Nowoisky, Lukas Nowoisky
R704 Discovery Miles 7 040 Ships in 12 - 17 working days
The Cluster Active Archive - Studying the Earth's Space Plasma Environment (Hardcover, 2010 ed.): Harri Laakso, Matthew... The Cluster Active Archive - Studying the Earth's Space Plasma Environment (Hardcover, 2010 ed.)
Harri Laakso, Matthew Taylor, C. Philippe Escoubet
R9,184 R8,391 Discovery Miles 83 910 Save R793 (9%) Ships in 12 - 17 working days

Since the year 2000 the ESA Cluster mission has been investigating the small-scale structures and processes of the Earth's plasma environment, such as those involved in the interaction between the solar wind and the magnetospheric plasma, in global magnetotail dynamics, in cross-tail currents, and in the formation and dynamics of the neutral line and of plasmoids.

This book contains presentations made at the 15th Cluster workshop held in March 2008. It also presents several articles about the Cluster Active Archive and its datasets, a few overview papers on the Cluster mission, and articles reporting on scientific findings on the solar wind, the magnetosheath, the magnetopause and the magnetotail.

Dark Matter in Astro- and Particle Physics - Proceedings of the International Conference Dark 2002, Cape Town, South Africa,... Dark Matter in Astro- and Particle Physics - Proceedings of the International Conference Dark 2002, Cape Town, South Africa, 4-9 February 2002 (Hardcover)
H.V. Klapdor-Kleingrothaus, R.D. Viollier
R2,535 Discovery Miles 25 350 Ships in 12 - 17 working days

The search for Dark Matter in the Universe has established itself as one of the most exciting and central fields of astrophysics, particle physics and cosmology. The lectures and talks in this book emphasize the experimental and theoretical status and future perspectives, stressing in particular the interplay between astro- and particle physics.

The Synthesis of the Elements - The Astrophysical Quest for Nucleosynthesis and What It Can Tell Us About the Universe... The Synthesis of the Elements - The Astrophysical Quest for Nucleosynthesis and What It Can Tell Us About the Universe (Hardcover, 2012 ed.)
Giora Shaviv
R5,059 R4,453 Discovery Miles 44 530 Save R606 (12%) Ships in 12 - 17 working days

This book describes the origins and evolution of the chemical elements we and the cosmos are made of. The story starts with the discovery of the common elements on Earth and their subsequent discovery in space. How do we learn the composition of the distant stars? How did progress in quantum theory, nuclear physics, spectroscopy, stellar structure and evolution, together with observations of stars, converge to provide an incredibly detailed picture of the universe? How does research in the micro-world explain the macro-world? How does progress in one affect the other, or lack of knowledge in one inhibit progress in the other? In short, Shaviv describes how we discovered the various pieces of the jigsaw that form our present picture of the universe; and how we sometimes put these in the wrong place before finding in the right one. En route we meet some fascinating personalities and learn about heated controversies. Shaviv shows how science lurched from one dogma to the next, time and again shattering much of what had been considered solid knowledge, until eventually a stable understanding arose. Beginning with generally accepted science, the book ends in today's terra incognita of nuclear physics, astrophysics and cosmology. A monumental work that will fascinate scientists, philosophers, historians and lay readers alike.

Modern Mathematical Models of Time and Their Applications to Physics and Cosmology - Proceedings of the International... Modern Mathematical Models of Time and Their Applications to Physics and Cosmology - Proceedings of the International Conference Held in Tucson, AZ, from 11-13 April 1996 (Hardcover, Em> ed.)
William G. Tifft, W.J. Cocke
R2,516 Discovery Miles 25 160 Ships in 12 - 17 working days

The nature of time has long puzzled physicists and philosophers. Time potentially has very fundamental yet unknown properties. In 1993 a new model of multi-dimensional time was found to relate closely to properties of the cosmological redshift. An international conference was subsequently convened in April 1996 to examine past, current and new concepts of time as they relate to physics and cosmology. These proceedings incorporate 34 reviews and contributed papers from the conference. The major reviews include observational properties of the redshift, alternative cosmologies, critical problems in cosmology, alternative viewpoints and problems in gravitation theory and particle physics, and new approaches to mathematical models of time. Professionals and students with an interest in cosmology and the structure of the universe should find that this book raises critical problems and explores challenging alternatives to classical viewpoints.

Diffuse Radio Foregrounds - All-Sky Polarisation, and Anomalous Microwave Emission (Hardcover, 1st ed. 2016): Matias Vidal... Diffuse Radio Foregrounds - All-Sky Polarisation, and Anomalous Microwave Emission (Hardcover, 1st ed. 2016)
Matias Vidal Navarro
R2,570 R1,924 Discovery Miles 19 240 Save R646 (25%) Ships in 12 - 17 working days

This extensive thesis work covers several topics, including intensity and polarization, focusing on a new polarization bias reduction method. Vidal studied data from the WMAP satellite, which is low signal-to-noise and as such has to be corrected for polarization bias. He presents a new method for correcting the data, based on knowledge of the underlying angle of polarization. Using this novel method, he sets upper limits for the polarization fraction of regions known to emit significant amounts of spinning dust emissions. He also studies the large-scale loops and filaments that dominate the synchrotron sky. The dominant features are investigated, including identification of several new features. For the North Polar Spur, a model of an expanding shell in the vicinity of the Sun is tested, which appears to fit the data. Implications for CMB polarization surveys are also discussed. In addition, Vidal presents interferometric observations of the dark cloud LDN 1780 at 31 GHz and shows that the spinning dust hypothesis can explain the radio properties observed.

Yanzhuang Meteorite: Mineralogy and Shock Metamorphism (Hardcover, 1st ed. 2020): Xiande Xie, Ming Chen Yanzhuang Meteorite: Mineralogy and Shock Metamorphism (Hardcover, 1st ed. 2020)
Xiande Xie, Ming Chen
R2,903 Discovery Miles 29 030 Ships in 10 - 15 working days

This book investigates the mineralogy and shock effects of Yanzhuang chondrite, using modern micro-mineralogical experimental techniques, including SEM, TEM, EPMA, Raman microprobe spectroscopy, instrumental neutron activation analysis, X-ray micro-diffraction analysis, micro-PIXE analysis and laser ablation ICP-MS. The micro-structural and micro-morphological characteristics as well as chemical composition of minerals were studied in details. Based on the studies in the shock effects of rocks and minerals, and the detailed study in the shock-produced melt, the book concludes that Yanzhuang chondrite is the most heavily shocked ordinary H group chondrite ever found and that it contains the most abundant shock induced melt among all known shock-melt-bearing chondritic meteorites.

Coronal Mass Ejections - An Introduction (Hardcover, 2011 Ed.): Timothty Howard Coronal Mass Ejections - An Introduction (Hardcover, 2011 Ed.)
Timothty Howard
R2,896 Discovery Miles 28 960 Ships in 10 - 15 working days

The book introduces the solar coronal mass ejection phenomena. This includes both those observed in the corona and those further from the Sun, known as interplanetary coronal mass ejections. We discuss the history and physics behind these phenomena, theories describing their launch and evolution, association with other solar eruptive phenomena, and methods employed for their detection and scientific data extraction. Instruments used for their study (past, present and future) are also discussed, along with their resulting space weather effects on Earth and other planets. The latter requires a description of the Earth 's magnetosphere, which is also included. Coronal Mass Ejections brings together solar physics, heliospheric physics, and magnetospheric physics, three traditionally separate fields of study. The content is accessible to beginning graduate students who are trying to master difficult fundamental concepts.

Music of the Sun - The Story of Helioseismology (Hardcover): William J. Chaplin Music of the Sun - The Story of Helioseismology (Hardcover)
William J. Chaplin
R1,012 Discovery Miles 10 120 Ships in 12 - 17 working days

Four hundred years after Kepler discovered his third law of planetary motion, disproving the Pythagorean notion of 'the music of the spheres', music was discovered in the Sun. With this discovery the science of helioseismology was born. Just as we can see the face of a foetus in the womb via ultrasound, and as bats can 'see' their way around using sonar, helioseismologists can now see inside the depths of the sun simply by listening to it. In The Music of the Sun, renowned helioseismologist William Chaplin tells the story of this discipline's origins and gives us invaluable insight into its implications - not only for better understanding the distant sun and stars - but for cosmology, particle physics, and the very relationship between the Sun and the Earth.

Stellar Magnetism (Hardcover): Leon Mestel Stellar Magnetism (Hardcover)
Leon Mestel
R7,676 R6,759 Discovery Miles 67 590 Save R917 (12%) Ships in 12 - 17 working days

Most stars appear to show some degree of magnetic activity. Varying magnetic fields show up in the familiar sun-spot cycle and in similar activity in other cool stars. Many hot stars carry steady magnetic fields stronger than the average solar field and are well described as oblique rotators. A similar model is applicable to the rapidly rotating, enormously dense neutron stars with their far stronger fields, observed as radio and X-ray pulsars. Galactic magnetic fields may play a crucial role in star formation, and in the spectacular behaviour in galactic nuclei. Cosmical magnetism in general is a rapidly developing field, and this book has grown out of the lifelong work of an outstanding researcher in the area. An authoritative account with broad astronomical scope, its thorough, careful and well-argued approach makes it a fine addition to the professional literature. Most of the important topics are treated in mathematical depth with references to other relevant literature. Some of the studies, especially those on accretion discs, dynamos, and winds, are applicable to galaxies and galactic nuclei. This book is sure to become an invaluable professional reference and guide to current thinking in the field. It will be of particular interest to graduate students, for whom it shows how the area has developed and indicates the many challenging research problems, some of which may soon yield their secrets to the emerging supercomputers.

Phanomene Der Wirklichkeit - Okkulte Und Naturwissenschaftliche Weltbilder (English, German, Hardcover): Gerhard Fasching, G... Phanomene Der Wirklichkeit - Okkulte Und Naturwissenschaftliche Weltbilder (English, German, Hardcover)
Gerhard Fasching, G Fasching
R1,651 R1,349 Discovery Miles 13 490 Save R302 (18%) Ships in 10 - 15 working days

1. Paradigmatische Konstruktionen.- Unser heutiges Wirklichkeits-Verstandnis.- Wirklichkeits-Pluralismus.- Entstehen von Wirklichkeiten.- Lebendiger Vollzug von Wirklichkeiten.- Fruchtbare Vielfalt.- Simultane und sequenzielle Wirklichkeiten in der Lebenswelt.- Okkulte Wirklichkeiten und andere Geheimlehren.- Gefahrliche Verabsolutierungen.- 2. Farbe als Wirklichkeit.- Goethes Farbenlehre.- Physiologische Farben.- Farblose Bilder.- Farbige Bilder.- Farbige Schatten.- Schwach wirkende Lichter, subjektive Hoefe, pathologische Farben.- Physische Farben.- Dioptrische Farben der 1. Klasse.- Dioptrische Farben der 2. Klasse.- Das Phanomen der Refraktion.- Refraktion ohne Farberscheinung.- Farberscheinungen bei Linsen.- Grundzuge refraktionsbedingter Farberscheinungen.- Farberscheinungen bei Prismen.- Farberscheinungen an gro?en und kleinen wei?en Bildern.- Farberscheinungen an gro en und kleinen schwarzen Bildern.- Farberscheinungen sind nie statisch.- Zum Wesen von Licht und Farbe aus Goetheseher Sieht.- Wichtige, ganz allgemeine Begriffe.- Die Polaritat.- Die Steigerung.- Phanomen und Urphanomen.- Farbenkreis und Spektrogramm.- Newtons Farben des Liehts.- Newtons Experimente.- 1. Experiment.- 2. Experiment.- 3. Experiment.- 4. Experiment.- 5. Experiment.- Das We sen der Farbe.- Einfache Farbmetrik.- Das Auge.- Der Spektralfarbenzug.- Zwei Wirklichkeiten.- 3. Heilkundliche Wirkliehkeiten.- Chinesische Lebenswirkliehkeit.- Das Schafgarbenorakel.- Das Yin-Yang-Prinzip.- Shen und Kuei. Qi und Jing.- Die funf Elemente.- Chinesische Medizin.- Yin-Yang-Theorie.- Lebenssubstanzen.- Qi.- Blut und Safte.- Jing.- Shen.- Die Funktion der inneren Organe.- Die Leitbahnen oder die Meridiane.- Wie kommt es zur Disharmonie?.- Die Sechs UEbel.- Die sieben Emotionen.- Die Lebensweise.- Das Dishannoniemuster.- Ein Beispiel.- Ein simultanes Massenphanomen.- 4. Mikro-Wirklichkeiten.- Spiele als Mikro-Wirklichkeiten.- Definition des Spielbegriffes.- Die Vielfalt der Spiele.- Mikro-Wirklichkeiten im weiteren Sinn.- 5. Wirklichkeit eines Verbrechens.- Ein Beispiel aus der japanischen Literatur.- Eine neue Erzlihlung des Rashomon-Textes.- Die Aussage eines Holzfallers.- Die Aussage eines Wandergeistlichen.- Die Aussage eines Gerichtsdieners.- Die Aussage einer alten Frau.- Das Gestandnis des Raubers.- Die Aussage eines Gefahrten des Raubers.- Bericht eines Waldbewohners.- Die Beichte der Ehefrau in einem Kloster.- Der Geist des Toten spricht durch den Mund einer Wahrsagerin.- Vergewaltigung und Tod.- 6. Verwandlung von Wirklichkeiten.- Siddhartha. Eine indische Dichtung.- Die Brahmana-Welt.- Die Samana-Welt.- Die Buddha-Welt.- Die Menschenkinder-Welt.- Am Flu?.- 7. Magie und Damonie.- Weissagung.- Wirksarnkeit von Weissagungen.- Kassandra.- Die delphische Seherin.- Andere Fonnen der Weissagung.- Zauber und Damonen.- Magische Praktikep in der Volkskunst.- Magische Praktiken' der Antike.- Kirke verzaubert Manner.- Hexen morden Knaben.- Fluche verandern das Leben.- Fluchtafeln.- Ovids Ibis.- Schamanen.- Spuren des Schamanismus in der Neuzeit.- Antike Schamanen.- Orpheus.- Pythagoras.- Empedokles.- Vespasian.- Nekromantie.- Die Macht des Okkulten.- Magie und Damonie als Wirklichkeit?.- 8. Totalitare Wirklichkeiten.- Wahnsinn als totalitare Wirklichkeit.- Das Entstehen eines Wahnes.- Der logische Zusammenhang von Wahnideen.- Die weitgehende Unkorrigierbarkeit.- Gro?en und Verfolgungswahn.- Groe?enwahn.- Verfolgungswahn.- Paranoia erotica.- Eifersuchtsparanoia.- Religioeser Wahn mit erotischer Komponente.- Kraftentfaltung in totalitaren Wirklichkeiten.- Der Kriegstanz der Maori.- Atomare Bedrohung.- Extremsituationen in totalitaren Wirklichkeiten.- Der Tag des Blutes.- Der spontane Volkszorn.- Entgleisung einer Hochtechnologie.- Die Eigendynamik und die Hilflosigkeit.- 9. Chance und Bedrangnis.- Wirklichkeit ist eine Konstruktion. Der Urgrund ist ohne Eigenschaften.- Wirklichkeiten als Gewordenes.- Die Lebenswirklichkeit als Ausgangsbasi

Stamping the Earth from Space (Hardcover, 1st ed. 2017): Renato Dicati Stamping the Earth from Space (Hardcover, 1st ed. 2017)
Renato Dicati
R1,975 Discovery Miles 19 750 Ships in 12 - 17 working days

This unique book presents a historical and philatelic survey of Earth exploration from space. It covers all areas of research in which artificial satellites have contributed in designing a new image of our planet and its environment: the atmosphere and ionosphere, the magnetic field, radiation belts and the magnetosphere, weather, remote sensing, mapping of the surface, observation of the oceans and marine environments, geodesy, and the study of life and ecological systems. Stamping the Earth from Space presents the results obtained with the thousands of satellites launched by the two former superpowers, the Soviet Union and the United States, and also those of the many missions carried out by the ESA, individual European countries, Japan, China, India, and the many emerging space nations. Beautifully illustrated, it contains almost 1100 color reproductions of philatelic items. In addition to topical stamps and thematic postal documents, the book provides an extensive review of astrophilatelic items. The most important space missions are documented through event covers and cards canceled at launch sites, tracking stations, research laboratories, and mission control facilities.

Supernova Explosions (Hardcover, 1st ed. 2017): David Branch, J. Craig Wheeler Supernova Explosions (Hardcover, 1st ed. 2017)
David Branch, J. Craig Wheeler
R4,124 Discovery Miles 41 240 Ships in 12 - 17 working days

Targeting advanced students of astronomy and physics, as well as astronomers and physicists contemplating research on supernovae or related fields, David Branch and J. Craig Wheeler offer a modern account of the nature, causes and consequences of supernovae, as well as of issues that remain to be resolved. Owing especially to (1) the appearance of supernova 1987A in the nearby Large Magellanic Cloud, (2) the spectacularly successful use of supernovae as distance indicators for cosmology, (3) the association of some supernovae with the enigmatic cosmic gamma-ray bursts, and (4) the discovery of a class of superluminous supernovae, the pace of supernova research has been increasing sharply. This monograph serves as a broad survey of modern supernova research and a guide to the current literature. The book's emphasis is on the explosive phases of supernovae. Part 1 is devoted to a survey of the kinds of observations that inform us about supernovae, some basic interpretations of such data, and an overview of the evolution of stars that brings them to an explosive endpoint. Part 2 goes into more detail on core-collapse and superluminous events: which kinds of stars produce them, and how do they do it? Part 3 is concerned with the stellar progenitors and explosion mechanisms of thermonuclear (Type Ia) supernovae. Part 4 is about consequences of supernovae and some applications to astrophysics and cosmology. References are provided in sufficient number to help the reader enter the literature.

Comet and Asteroid Impact Hazards on a Populated Earth - Computer Modeling (Hardcover): John S. Lewis Comet and Asteroid Impact Hazards on a Populated Earth - Computer Modeling (Hardcover)
John S. Lewis
R2,407 Discovery Miles 24 070 Ships in 12 - 17 working days

Comet and Asteroid Impact Hazards explores the anticipated consequences of comet and asteroid impact. It presents the first computer simulations of the hazards of comet and asteroid bombardment of a populated Earth. Previous estimates of fatality and damage rates on the 100 to 10,000 year time scale are shown to be too low because they neglect rare, highly lethal outriders of the populations of bombarding objects, those with exceptional strength, unusually low entry velocity, and near-horizontal entry angles. This is the first realistic assessment of both the mean casualty rate and the expected statistical fluctuations in that rate. A breakdown of fatality and damage rates by impactor energy and compositional class suggests lessons for both asteroid search strategies and interdiction techniques.
This book is written so that anyone with college level experience in the physical sciences can understand it. It includes a disk that allows the reader to simulate impact catastrophes. It serves as a useful resource in various physical sciences courses such as astronomy, planetary science, and environmental science.

* Quantatively rigorous treatment of the state of impact hazard prediction, including stuctural blast damage, firestorm ignition, tsunami generation
* Realistic treatment of the impact on population, composition, and orbits
* Attention to economic and public policy issues of warning, interdiction, and asteroid and comet search strategies
* Comparison of simulation results to historical records
* Detailed and realistic Monte Carlo simulation software included

Astrophysics of Black Holes - From Fundamental Aspects to Latest Developments (Hardcover, 1st ed. 2016): Cosimo Bambi Astrophysics of Black Holes - From Fundamental Aspects to Latest Developments (Hardcover, 1st ed. 2016)
Cosimo Bambi
R4,043 Discovery Miles 40 430 Ships in 12 - 17 working days

This book discusses the state of the art of the basic theoretical and observational topics related to black hole astrophysics. It covers all the main topics in this wide field, from the theory of accretion disks and formation mechanisms of jet and outflows, to their observed electromagnetic spectrum, and attempts to measure the spin of these objects. Black holes are one of the most fascinating predictions of general relativity and are currently a very hot topic in both physics and astrophysics. In the last five years there have been significant advances in our understanding of these systems, and in the next five years it should become possible to use them to test fundamental physics, in particular to predict the general relativity in the strong field regime. The book is both a reference work for researchers and a textbook for graduate students.

Millimeter Astronomy - Saas-Fee Advanced Course 38. Swiss Society for Astrophysics and Astronomy (Hardcover, 1st ed. 2018): T.... Millimeter Astronomy - Saas-Fee Advanced Course 38. Swiss Society for Astrophysics and Astronomy (Hardcover, 1st ed. 2018)
T. L. Wilson, Stephane Guilloteau; Edited by Miroslava Dessauges-Zavadsky, Daniel Pfenniger
R3,366 Discovery Miles 33 660 Ships in 10 - 15 working days

The millimeter and sub-millimeter wavebands are unique in astronomy in containing several thousands of spectral lines of molecules as well as the thermal continuum spectrum of cold dust. They are the only bands in the electromagnetic spectrum in which we can detect the molecular gas reservoir for star formation and cold dust far away in high-redshift galaxies, and nearby in low-temperature cocoons of protostars and protoplanets. This book is based on and extensively updated from the lectures given during the Saas-Fee Advanced Course 38 on millimeter astronomy. It presents both the observing techniques and the scientific perspectives of observations at millimeter wavelengths, here in particular the star and planet formation. The chapters by Thomas L. Wilson and Stephane Guilloteau have been edited by Miroslava Dessauges-Zavadsky and Daniel Pfenniger. The book is part of the series of Saas-Fee Advanced Courses published since 1971. The targeted audience are graduate PhD and advanced undergraduate students, but the book also serves as reference for post-doctoral researchers or newcomers to the field.

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