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Books > Science & Mathematics > Astronomy, space & time > Solar system > General

Magnetic Reconnection - Theoretical and Observational Perspectives (Paperback, 2012 ed.): William Lewis Magnetic Reconnection - Theoretical and Observational Perspectives (Paperback, 2012 ed.)
William Lewis; Edited by Spiro Antiochos, James Drake
R2,850 Discovery Miles 28 500 Ships in 10 - 15 working days

This volume covers different aspects of recent theoretical and observational work on magnetic reconnection, a fundamental plasma-physical process by which energy stored in magnetic field is converted, often explosively, into heat and kinetic energy. This collection of papers from the fields of solar and space physics, astrophysics, and laboratory plasma physics is especially timely in view of NASA's upcoming Magnetospheric Multiscale mission, which will use Earth's magetosphere as a laboratory to test, through in-situ measurement of the plasma, energetic particles, and electric and magnetic fields, the various and sometimes competing models and theories of magnetic reconnection. This volume is aimed at researchers in solar physics, magnetospheric physics and plasma physics. Previously published in Space Science Reviews journal, Vol. 160/1-4, 2011.

The Formation and Early Evolution of Stars - From Dust to Stars and Planets (Paperback, 2nd ed. 2012): Norbert S Schulz The Formation and Early Evolution of Stars - From Dust to Stars and Planets (Paperback, 2nd ed. 2012)
Norbert S Schulz
R3,459 Discovery Miles 34 590 Ships in 10 - 15 working days

Starburst regions in nearby and distant galaxies have a profound impact on our understanding of the early universe. This new, substantially updated and extended edition of Norbert Schulz's unique book "From Dust to Stars" describes complex physical processes involved in the creation and early evolution of stars. It illustrates how these processes reveal themselves from radio wavelengths to high energy X-rays and gamma-rays, with special reference towards high energy signatures. Several sections devoted to key analysis techniques demonstrate how modern research in this field is pursued and new chapters are introduced on massive star formation, proto-planetary disks and observations of young exoplanets. Recent advances and contemporary research on the theory of star formation are explained, as are new observations, specifically from the three great observatories of the Spitzer Space Telescope, the Hubble Space Telescope and the Chandra X-Ray Observatory which all now operate at the same time and make high resolution space based observing in its prime. As indicated by the new title two new chapters have been included on proto-planetary disks and young exoplanets. Many more colour images illustrate attractive old and new topics that have evolved in recent years. The author gives updates in theory, fragmentation, dust, and circumstellar disks and emphasizes and strengthens the targeting of graduate students and young researchers, focusing more on computational approaches in this edition.

Catalogue of Meteorites from South America (Paperback, 2014 ed.): Rogelio Daniel Acevedo, Maximiliano C. L. Rocca, Victor... Catalogue of Meteorites from South America (Paperback, 2014 ed.)
Rogelio Daniel Acevedo, Maximiliano C. L. Rocca, Victor Manuel Garcia
R1,949 Discovery Miles 19 490 Ships in 10 - 15 working days

The first Catalogue of Meteorites from South America includes new specimens never previously reported, while doubtful cases and pseudometeorites have been deliberately omitted.

The falling of these objects is a random event, but the sites where old meteorites are found tend to be focused in certain areas, e.g. in the deflation surfaces in Chile s Atacama Desert, due to favorable climate conditions and ablation processes.

Our Catalogue provides basic information on each specimen like its provenance and the place where it was discovered (in geographic co-ordinates and with illustrative maps), its official name, its classification type (class, and if applicable, weathering grade and shock stage), if it was seen falling or was found by chance, its total mass or weight, the institution where it is held, and the most important bibliographic references about it.

"

Alien Encounter - A Scientific Novel (Paperback, 2nd ed. 2014): Dirk Schulze-Makuch Alien Encounter - A Scientific Novel (Paperback, 2nd ed. 2014)
Dirk Schulze-Makuch
R554 R468 Discovery Miles 4 680 Save R86 (16%) Ships in 10 - 15 working days

It has been nearly 100 years since the Apollo moon landings, when Jack and Vladimir, two astronauts on a mission to Venus, discover a mysterious void related to indigenous life on the planet. Subsequently more voids are detected on Earth, Mars, Titan, and, quite ominously, inside a planetoid emerging from the Kuiper belt.

Jack is sent to investigate the voids in the Solar System and intercept the planetoid - which, as becomes increasingly clear, is inhabited by alien life forms. Jack and his crew will have little time to understand their alien biochemistry, abilities, behavior patterns, resilience, and technology, but also how these life forms relate to the voids.

Humankind's first encounter with these exotic life forms couldn't be more fateful, becoming a race against time to save life on Earth and to reveal the true nature of the voids, which seem to be intrinsically related to life and the universe itself. In this novel, the author combines many topics related to state-of-the-art research in the field of astrobiology with fictional elements to produce a thrilling page turner.

This new version significantly develops the astrobiological denouement of the plot and features an extensive non-technical appendix where the underlying science is presented and discussed.

From the reviews of the first edition ("Voids of Eternity: Alien Encounter")

Here's a thrilling yarn in the best "hard SF" tradition of Asimov, James Hogan, and Ben Bova, written by a scientist who knows all about the possibilities of life in the solar system and beyond. Dirk Schulze-Makuch weaves into his book all the astrobiological themes he's worked on in recent years -- speculation about creatures in the atmosphere of Venus and on and under the surface of Mars and Titan -- together with some well-informed Eastern philosophy and a cracking good space battle. A great first novel from a rising talent. Highly recommended. David Darling, on amazon.com, 2009The research interests of Dr. Schulze-Makuch, currently a professor at Washington State University, focus on evolutionary adaptation strategies of organisms in their natural environment, particularly extreme environments such as found on other planetary bodies. Dirk Schulze-Makuch is best known for his publications on extraterrestrial life, being coauthor of three books on the topic: "We Are Not Alone: Why We Have Already Found Extraterrestrial Life" (2010), "Cosmic Biology: How Life could Evolve on Other Worlds" (2010), and "Life in the Universe: Expectations and Constraints" (2004). In 2011 he published with Paul Davies "A One Way Mission to Mars: Colonizing the Red Planet" and in 2012 with David Darling "Megacatastrophes Nine Strange Ways the World Could End."

MHD Waves in the Solar Atmosphere (Hardcover): Bernard Roberts MHD Waves in the Solar Atmosphere (Hardcover)
Bernard Roberts
R4,390 Discovery Miles 43 900 Ships in 12 - 17 working days

This volume presents a full mathematical exposition of the growing field of coronal seismology which will prove invaluable for graduate students and researchers alike. Roberts' detailed and original research draws upon the principles of fluid mechanics and electromagnetism, as well as observations from the TRACE and SDO spacecraft and key results in solar wave theory. The unique challenges posed by the extreme conditions of the Sun's atmosphere, which often frustrate attempts to develop a comprehensive theory, are tackled with rigour and precision; complex models of sunspots, coronal loops and prominences are presented, based on a magnetohydrodynamic (MHD) view of the solar atmosphere, and making use of Faraday's concept of magnetic flux tubes to analyse oscillatory phenomena. The rapid rate of progress in coronal seismology makes this essential reading for those hoping to gain a deeper understanding of the field.

Solar System Astrophysics - Background Science and the Inner Solar System (Hardcover, 2nd ed. 2014): Eugene F. Milone, William... Solar System Astrophysics - Background Science and the Inner Solar System (Hardcover, 2nd ed. 2014)
Eugene F. Milone, William J.F Wilson
R2,785 Discovery Miles 27 850 Ships in 10 - 15 working days

The second edition of Solar System Astrophysics: Background Science and the Inner Solar System provides new insights into the burgeoning field of planetary astronomy. As in the first edition, this volume begins with a rigorous treatment of coordinate frames, basic positional astronomy, and the celestial mechanics of two and restricted three body system problems. Perturbations are treated in the same way, with clear step-by-step derivations. Then the Earth's gravitational potential field and the Earth-Moon system are discussed, and the exposition turns to radiation properties with a chapter on the Sun. The exposition of the physical properties of the Moon and the terrestrial planets are greatly expanded, with much new information highlighted on the Moon, Mercury, Venus, and Mars. All of the material is presented within a framework of historical importance. This book and its sister volume, Solar System Astrophysics: Background Science and the Inner Solar system, are pedagogically well written, providing clearly illustrated explanations, for example, of such topics as the numerical integration of the Adams-Williamson equation, the equations of state in planetary interiors and atmospheres, Maxwell's equations as applied to planetary ionospheres and magnetospheres, and the physics and chemistry of the Habitable Zone in planetary systems. Together, the volumes form a comprehensive text for any university course that aims to deal with all aspects of solar and extra-solar planetary systems. They will appeal separately to the intellectually curious who would like to know how just how far our knowledge of the solar system has progressed in recent years.

Space Weather and Coronal Mass Ejections (Paperback, 2014 ed.): Tim Howard Space Weather and Coronal Mass Ejections (Paperback, 2014 ed.)
Tim Howard
R1,887 Discovery Miles 18 870 Ships in 10 - 15 working days

Space weather has attracted a lot of attention in recent times. Severe space weather can disrupt spacecraft, and on Earth can be the cause of power outages and power station failure. It also presents a radiation hazard for airline passengers and astronauts. These "magnetic storms" are most commonly caused by coronal mass ejections, or CMES, which are large eruptions of plasma and magnetic field from the Sun that can reach speeds of several thousand km/s. In this SpringerBrief, Space Weather and Coronal Mass Ejections, author Timothy Howard briefly introduces the coronal mass ejection, its scientific importance, and its relevance to space weather at Earth and other planets. This title focuses on the latest advances in CME observation and modeling, including new results from the NASA STEREO and SDO missions. It also includes topical issues regarding space weather and the most recent observations and anecdotal examples of the impacts of space weather and CMEs.

The Transits of Extrasolar Planets with Moons (Paperback, 2011 ed.): David M. Kipping The Transits of Extrasolar Planets with Moons (Paperback, 2011 ed.)
David M. Kipping
R2,863 Discovery Miles 28 630 Ships in 10 - 15 working days

Can we detect the moons of extrasolar planets? For two decades, astronomers have made enormous progress in the detection and characterisation of exoplanetary systems but the identification of an "exomoon" is notably absent. In this thesis, David Kipping shows how transiting planets may be used to infer the presence of exomoons through deviations in the time and duration of the planetary eclipses. A detailed account of the transit model, potential distortions, and timing techniques is covered before the analytic forms for the timing variations are derived. It is shown that habitable-zone exomoons above 0.2 Earth-masses are detectable with the Kepler space telescope using these new timing techniques.

Earth-Moon Relationships - Proceedings of the Conference held in Padova, Italy at the Accademia Galileiana di Scienze Lettere... Earth-Moon Relationships - Proceedings of the Conference held in Padova, Italy at the Accademia Galileiana di Scienze Lettere ed Arti, November 8-10, 2000 (Paperback, Softcover reprint of the original 1st ed. 2001)
Cesare Barbieri, Francesca Rampazzi
R5,717 Discovery Miles 57 170 Ships in 10 - 15 working days

The Conference on the Earth-Moon relationships brought together a number of distinguished scientists from different fields - such as Astronomy, Celestial Mechanics, Chemistry - but also scholars of Literature and Art, to discuss these relationships, their origins, and their influence on human activities and beliefs.

Solar Polarization - Proceedings of an International Workshop held in St. Petersburg, Russia, 8-12 May, 1995 (Paperback,... Solar Polarization - Proceedings of an International Workshop held in St. Petersburg, Russia, 8-12 May, 1995 (Paperback, Softcover reprint of the original 1st ed. 1996)
Jan Olof Stenflo, K.N. Nagendra
R1,567 Discovery Miles 15 670 Ships in 10 - 15 working days

Much progress has been made in recent years in understanding the complex physics of polarized radiation in the sun and stars. This physics includes vector radiative transfer and spectral line formation in the presence of magnetic fields, scattering theory and coherence effects, partial redistribution and turbulent magnetic fields, numerical techniques and Stokes inversion, as well as concepts for polarimetric imaging with a precision limited only by photon statistics. The present volume gives a comprehensive and up-to-date account of this rapidly evolving field of science.

Incoming Asteroid! - What Could We Do About It? (Paperback, 2014 ed.): Duncan Lunan Incoming Asteroid! - What Could We Do About It? (Paperback, 2014 ed.)
Duncan Lunan
R2,604 Discovery Miles 26 040 Ships in 10 - 15 working days

Incoming Asteroid is based on a project within ASTRA (the Association in Scotland to Research into Astronautics) to provide scientific answers to the question what would we do if we knew there was going to be an asteroid impact in ten years time or less?
Clearly there are many things humanity can do nothing about, for example an unseen object traveling towards us so fast that we have no time to prepare, or an object so large it may be unstoppable. A realistic hazard model was decided upon, and the scenario developed from that: an incoming object about 1 kilometer in diameter, in an orbit ranging from the outer rim of the Asteroid Belt to within that of Earth s.
Three basic possibilities are considered in this book. The first is the deflection of the asteroid, using remote probes along with a number of possible technologies to change the asteroid s course. Second is the attempt of a manned mission, in order to plant a propulsion system on the asteroid to push it into a different orbit. Third is the nuclear option, a last-ditch attempt to break up and then disperse the asteroid using nuclear weapons. (A rather impractical combination of these second and third options were used as the plot of the popular 1998 Bruce Willis feature film, Armageddon.)
Although the cost of developing the technology needed to protect the Earth would be substantial, there would certainly be spin-off benefits. These could eventually result in practical small-scale atomic energy sources, new propulsion systems that could make extraterrestrial mining within the solar system a possibility, and other as-yet unforeseen benefits.

And finally, Incoming Asteroid considers the political implications - how governments across the world should best react to the threat with a view to minimizing loss of life, and in the weeks running up to the possible impact, preventing panic in the population."

The Observer's Guide to Planetary Motion - Explaining the Cycles of the Night Sky (Paperback, 2014 ed.): Dominic Ford The Observer's Guide to Planetary Motion - Explaining the Cycles of the Night Sky (Paperback, 2014 ed.)
Dominic Ford
R1,115 Discovery Miles 11 150 Ships in 10 - 15 working days

To the naked eye, the most evident defining feature of the planets is their motion across the night sky. It was this motion that allowed ancient civilizations to single them out as different from fixed stars. "The Observer's Guide to Planetary Motion" takes each planet and its moons (if it has them) in turn and describes how the geometry of the Solar System gives rise to its observed motions. Although the motions of the planets may be described as simple elliptical orbits around the Sun, we have to observe them from a particular vantage point: the Earth, which spins daily on its axis and circles around the Sun each year. The motions of the planets as observed relative to this spinning observatory take on more complicated patterns. Periodically, objects become prominent in the night sky for a few weeks or months, while at other times they pass too close to the Sun to be observed. "The Observer's Guide to Planetary Motion" provides accurate tables of the best time for observing each planet, together with other notable events in their orbits, helping amateur astronomers plan when and what to observe. Uniquely each of the chapters includes extensive explanatory text, relating the events listed to the physical geometry of the Solar System. Along the way, many questions are answered: Why does Mars take over two years between apparitions (the times when it is visible from Earth) in the night sky, while Uranus and Neptune take almost exactly a year? Why do planets appear higher in the night sky when they're visible in the winter months? Why do Saturn's rings appear to open and close every 15 years? This book places seemingly disparate astronomical events into an understandable three-dimensional structure, enabling an appreciation that, for example, very good apparitions of Mars come around roughly every 15 years and that those in 2018 and 2035 will be nearly as good as that seen in 2003. Events are listed for the time period 2010-2030 and in the case of rarer events (such as eclipses and apparitions of Mars) even longer time periods are covered. A short closing chapter describes the seasonal appearance of deep sky objects, which follow an annual cycle as a result of Earth's orbital motion around the Sun.

Mapping of the Moon - Past and Present (Paperback, Softcover reprint of the original 1st ed. 1974): Zdenek Kopal, R.W. Carder Mapping of the Moon - Past and Present (Paperback, Softcover reprint of the original 1st ed. 1974)
Zdenek Kopal, R.W. Carder
R1,518 Discovery Miles 15 180 Ships in 10 - 15 working days

The aim of the present book has been to provide an outline - the first of its kin- of the history of the human efforts to map the topography of the surface of our satellite, from the days of pre-telescopic astronomy up to the present. These efforts commenced modestly at the time when the unaided eye was still the only tool at the disposal of men interested in the face of our satellite; and were con tinued since for more than three centuries by a small band of devoted friends of the Moon in several countries. Many of these were amateur astronomers, and almost all were amateur cartographers; though some highly skilled in their art. The reader interested in the history oflunar mapping between 1600 and 1960 will find its outline in the first chapter of this book; and can follow the way in which the leadership in the mapping of the Moon, the cradle of which stood in Italy, passed successively to France, Germany, and eventually to the United States. All efforts described in this chapter were wholly superseded by subsequent devel opments since 1960, largely motivated by logistic needs of a grand effort which cul minated with repeated manned landings on the Moon between 1969-1972- a feat which will remain for ever one of the glories of our century."

Recent Advances in the Understanding of Solar Flares - Proceedings of the U.S.-Japan Seminar held at Komaba, Tokyo, 5-8 October... Recent Advances in the Understanding of Solar Flares - Proceedings of the U.S.-Japan Seminar held at Komaba, Tokyo, 5-8 October 1982 (Paperback, Softcover reprint of the original 1st ed. 1983)
S.R. Kane, Yutaka Uchida, K. Tanaka, Hugh S. Hudson
R1,598 Discovery Miles 15 980 Ships in 10 - 15 working days

These Proceedings result from the papers and discussions of the U.S.-Japan Seminar "Recent Advances in the Understanding of Solar Flares" held in Tokyo October 5-8, 1982. The meeting was sponsored jointly by the Japan Society for the Promotion of Science and the u.S. National Science Foundation. The principal aim of the meeting was to obtain the most up-to-date physical picture of solar flares by bringing together results from the recent observations by the Solar Maximum Mission (SMM) and HINOTORI satellites, together with other satellite data and ground-based data at both optical and radio wavelengths. These data cover the recent maximum of the solar activity cycle. The SMM and HINOTORI introduced a new dimension in flare observations by carrying out the first hard X-ray imaging observations, and the organizers especially felt that an intense discussion of the significance of these results in the context of flare theories would be important. Starting with an introductory presentation of the characteristics of the instruments on board the satellites, the sessions of the first day and the beginning of the second dealt mainly with energy transport in flares and with .the formation process of the hot plasma which is .

An Introduction to the Study of the Moon (Paperback, Softcover reprint of the original 1st ed. 1966): Zdenek Kopal An Introduction to the Study of the Moon (Paperback, Softcover reprint of the original 1st ed. 1966)
Zdenek Kopal
R1,596 Discovery Miles 15 960 Ships in 10 - 15 working days

After several decades spent in astronomical semi-obscurity, the Moon has of late suddenly emerged as an object of considerable interest to students of astronomy as well as of other branches of natural science and technology; and the reasons for this are indeed of historical significance. For the Moon has now been destined to be the first celestial body outside the confines of our own planet to be reconnoitered at a close range by means of spacecraft built and sent out by human hand for this purpose. At the time of writing, not less than ten such spacecraft of American as well as Rus sian origin landed already on different parts of the lunar surface; and some of these provided remarkable records of its detail structure to a spatial resolution increased thousandfold over that attained so far from our ground-based facilities. A renewed interest in our satellite, stemming from this source, on the part of the students of many branches of science and technology has also underlined the need for presenting the gist of our present knowledge in this field in the form that could serve as an introduction to the study of the Moon not only for astronomers, but also for serious students from other branches of science or technology.

Frontiers and Space Conquest / Frontieres et Conquete Spatiale - The Philosopher's Touchstone / La Philosophie a... Frontiers and Space Conquest / Frontieres et Conquete Spatiale - The Philosopher's Touchstone / La Philosophie a I'Epreuve (English, French, Paperback, Softcover reprint of the original 1st ed. 1988)
Jean Schneider, Monique Leger-Orine
R1,511 Discovery Miles 15 110 Ships in 10 - 15 working days

Nous sODBlles a. une epoque 011 les programmes spatiaux connaissent, en depit de difficultes passageres, une activite croissante. Leur succes depend de la maitrise d'un grand nombre de technologies qui de ce fait focalisent l'attention de la plupart des acteurs spatiaux. Toutefois, parallelement, cette nouvelle aventure nous touche aussi de plus en plus, nous les humains. D I abord, parce que nous sODBlles les bene ficiaires, sur Ie plan qualite de la vie (sante, telecoDBllunications, etc . . . ) des techniques spatiales mais aussi parce que de plus en plus les humains vont progressivement etendre leur presence dans l'es pace. Pour Ie moment, Ie role des astronautes est essentiellement d I etre des "travailleurs de 1 I espace" plus efficaces que les robots les plus perfectionnes. Mais inevitablement l'aspect proprement humain de ces hODBlles et de ces femmes ressurgi t: d I abord pour eux memes, mais aussi pour nous car, par Ie jeu des processus d I identification, ils emportent avec eux une parcelle d 'humanite et donc de nous-meme. Il n I est donc pas inutile de reflechir a. ces questions et Ie but du present colloque etait de Ie faire de maniere approfondie en faisant appel a. des professionnels, c'est-a. -dire les philosophes et les penseurs des sciences humalnes. "La philosophie a. 1 I epreuve," tel est Ie sous-ti tre de ce colloque. Mais de quelle philosophie s'agit-il ? Ce terme peut renvoyer a."

The Sun's Surface and Subsurface - Investigating Shape and Irradiance (Paperback, Softcover reprint of the original 1st... The Sun's Surface and Subsurface - Investigating Shape and Irradiance (Paperback, Softcover reprint of the original 1st ed. 2003)
Jean-Pierre Rozelot
R1,503 Discovery Miles 15 030 Ships in 10 - 15 working days

Composed of a set of lectures and tutorial reviews, this book stems from a summer school devoted to the gravitational aspects of the sun and their geophysical consequences. Contribitions elaborate on the gravitational distortions of the sun which can be used to gain some knowledge of the sun's interior and surface phenomena but which also influences the sun's irradience and thus ultimately the earth's climate. Last but not least, it is shown that these small distortions constitute a formidable challenge to solar astrometry, and the final part of the book describes the observational difficulties in defining unequivocally the solar diameter.

Our Beautiful Moon and its Mysterious Magnetism - A Long Voyage of Discovery (Paperback, 2014 ed.): Mike Fuller Our Beautiful Moon and its Mysterious Magnetism - A Long Voyage of Discovery (Paperback, 2014 ed.)
Mike Fuller
R2,149 Discovery Miles 21 490 Ships in 10 - 15 working days

This book is a summary of the history of discovering the moon. The author has been involved in the Apollo program, working with its samples and this book covers these efforts. It describes the analysis methods of lunar samples and their interpretation to understand lunar paleomagnetism. The book has adopted an historical approach throughout, tracing the development of the ideas of the Earth-moon system, of the birth of the space age, of paleomagnetism and finally of lunar magnetism and its evidence for an early lunar dynamo.

The Genesis Mission (Paperback, Softcover reprint of the original 1st ed. 2003): C. T. Russell The Genesis Mission (Paperback, Softcover reprint of the original 1st ed. 2003)
C. T. Russell
R2,854 Discovery Miles 28 540 Ships in 10 - 15 working days

NASA's Genesis mission, launched on August 8, 2001 is the fifth mission in the Discovery series. Genesis addresses questions about the materials and processes involved in the origin of the solar system by providing precise knowledge of solar isotopic and elemental compositions for comparison with the compositions of meteoritic and planetary materials. This book describes the Genesis mission, the solar wind collector materials, the solar wind concentrator and simulations of its performance, the plasma ion and electron instruments, and the way these two instruments are used to determine the solar wind flow regime on board the spacecraft. The book is of interest to all potential users of the data returned by the Genesis mission, to those studying the isotopic and chemical composition of the early solar system whose work will be influenced by the measurements made by Genesis and by all those interested in the design and implementation of space instruments to study space plasmas.

The Moon's Near Side Megabasin and Far Side Bulge (Paperback, 2013 ed.): Charles Byrne The Moon's Near Side Megabasin and Far Side Bulge (Paperback, 2013 ed.)
Charles Byrne
R1,475 Discovery Miles 14 750 Ships in 10 - 15 working days

Since Luna and Lunar Orbiter photographed the far side of the Moon, the mysterious dichotomy between the face of the Moon as we see it from Earth and the side of the Moon that is hidden has puzzled lunar scientists. As we learned more from the Apollo sample return missions and later robotic satellites, the puzzle literally deepened, showing asymmetry of the crust and mantle, all the way to the core of the Moon. This book summarizes the author's successful search for an ancient impact feature, the Near Side Megabasin of the Moon and the extensions to impact theory needed to find it. The implications of this ancient event are developed to answer many of the questions about the history of the Moon.

Nearest Star - The Surprising Science of our Sun (Paperback, 2nd Revised edition): Leon Golub, Jay M. Pasachoff Nearest Star - The Surprising Science of our Sun (Paperback, 2nd Revised edition)
Leon Golub, Jay M. Pasachoff
R939 Discovery Miles 9 390 Ships in 10 - 15 working days

How did the Sun evolve, and what will it become? What is the origin of its light and heat? How does solar activity affect the atmospheric conditions that make life on Earth possible? These are the questions at the heart of solar physics, and at the core of this book. The Sun is the only star near enough to study in sufficient detail to provide rigorous tests of our theories and help us understand the more distant and exotic objects throughout the cosmos. Having observed the Sun using both ground-based and spaceborne instruments, the authors bring their extensive personal experience to this story revealing what we have discovered about phenomena from eclipses to neutrinos, space weather, and global warming. This second edition is updated throughout, and features results from the current spacecraft that are aloft, especially NASA's Solar Dynamics Observatory, for which one of the authors designed some of the telescopes.

Phase Diagrams for Geoscientists - An Atlas of the Earth's Interior (Hardcover, 2nd ed. 2014): Tibor Gasparik Phase Diagrams for Geoscientists - An Atlas of the Earth's Interior (Hardcover, 2nd ed. 2014)
Tibor Gasparik
R4,464 Discovery Miles 44 640 Ships in 10 - 15 working days

The book summarizes the results of the experimental studies of phase relations in the chemical systems relevant to Earth, carried out by the author in a time period of over 20 years between 1979 and 2001. It is based on 1000 piston-cylinder experiments at pressures up to 4 GPa, and close to 700 experiments carried out with a multi-anvil apparatus at pressures up to 24 GPA. This is the largest published collection of calculated phase diagrams for the chemical systems relevant to Earth. This is also the first time that the phase relations at the relatively low pressures of the lithospheric mantle, mainly applicable to the experimental thermobarometry of metamorphic rocks and mantle xenoliths, are seamlessly integrated with the phase relations of the sublithospheric upper mantle and the uppermost lower mantle, primarily applicable to inclusions in diamond and schocked meteorites. "Tibor Gasparik has devoted his career to determining the high-pressure, high-temperature phase relations of the geologically important Sodium-Calcium-Magnesium-Aluminium-Silicon (NCMAS) oxide system. This book is his opus magnum, summarizing more than 1700 experiments in over 120 figures. ... I have found Phase Diagrams for Geoscientists to be a useful first port-of-call for finding the P-T stability fields ... and I can recommend the book as a reference for geoscientists requiring an overview of the stable phase assemblages in the top 700 km of the Earth." (David Dobson, Geological Magazine, Vol. 142 (2), 2005)

Coronal Mass Ejections - An Introduction (Paperback, 2011 ed.): Timothty Howard Coronal Mass Ejections - An Introduction (Paperback, 2011 ed.)
Timothty Howard
R2,878 Discovery Miles 28 780 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.

Quantifying the Martian Geochemical Reservoirs (Hardcover, 2013 ed.): Michael Toplis, James Bell III, Eric Chassefiere,... Quantifying the Martian Geochemical Reservoirs (Hardcover, 2013 ed.)
Michael Toplis, James Bell III, Eric Chassefiere, Christophe Sotin, Tilman Spohn, …
R5,830 Discovery Miles 58 300 Ships in 10 - 15 working days

Over the last fifteen years, space-based exploration of the solar system has increased dramatically, with more and more sophisticated orbiters and landers being sent to Mars. This intense period, rich in unprecedented scientific results, has led to immense progress in our perception of Mars and of its evolution over geological time. In parallel, advances in numerical simulations and laboratory experiments also shed new light on the geochemical evolution of the planet Mars. The ISSI-Europlanet Workshop entitled "Quantifying the Martian Geochemical Reservoirs" was held in Bern in April 2011 with the objective to create a diverse interdisciplinary forum composed of scientists directly involved in space-based exploration of the Martian surface, meteoriticists studying SNC meteorites, and planetary and/or Earth scientists simulating, numerically or experimentally, the physical and chemical processes occurring on or within Mars. The chapters of this book provide an overview of current knowledge of the past and present Martian geochemical reservoirs, from the accretionary history to the secondary alteration processes at the surface. In addition to the detailed description of data from Mars and the methods used to obtain them, the contributions also emphasize comparison with features on Earth, providing a perspective on the extent to which our knowledge of terrestrial systems influences interpretation of data from Mars. Areas that would benefit from future work and measurements are also identified, providing a view of the short-term and long-term future of the study of Mars. This collection of chapters constitutes a timely perspective on current knowledge and thinking concerning the geochemical evolution of Mars, providing context and a valuable reference point for even more exciting future discoveries. It is aimed at graduate students and researchers active in geochemistry and space science. Previously published in Space Science Reviews, Vol. 174/1-4, 2013.

Electrifying Atmospheres: Charging, Ionisation and Lightning in the Solar System and Beyond (Paperback, 2013 ed.): Karen Aplin Electrifying Atmospheres: Charging, Ionisation and Lightning in the Solar System and Beyond (Paperback, 2013 ed.)
Karen Aplin
R1,671 Discovery Miles 16 710 Ships in 10 - 15 working days

Electrical processes take place in all planetary atmospheres. There is evidence for lightning on Venus, Jupiter, Saturn, Uranus and Neptune, it is possible on Mars and Titan, and cosmic rays ionise every atmosphere, leading to charged droplets and particles. Controversy surrounds the role of atmospheric electricity in physical climate processes on Earth; here, a comparative approach is employed to review the role of electrification in the atmospheres of other planets and their moons. This book reviews the theory, and, where available, measurements, of planetary atmospheric electricity, taken to include ion production and ion-aerosol interactions. The conditions necessary for a global atmospheric electric circuit similar to Earth s, and the likelihood of meeting these conditions in other planetary atmospheres, are briefly discussed. Atmospheric electrification is more important at planets receiving little solar radiation, increasing the relative significance of electrical forces. Nucleation onto atmospheric ions has been predicted to affect the evolution and lifetime of haze layers on Titan, Neptune and Triton. For planets closer to Earth, heating from solar radiation dominates atmospheric circulations. Mars may have a global circuit analogous to the terrestrial model, but based on electrical discharges from dust storms, and Titan may have a similar global circuit, based on transfer of charged raindrops. There is an increasing need for direct measurements of planetary atmospheric electrification, in particular on Mars, to assess the risk for future unmanned and manned missions. Theoretical understanding could be increased by cross-disciplinary work to modify and update models and parameterisations initially developed for a specific atmosphere, to make them more broadly applicable to other planetary atmospheres. The possibility of electrical processes in the atmospheres of exoplanets is also discussed."

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