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Books > Professional & Technical > Other technologies > Space science

Advances in Gyroscope Technologies (Paperback, 2011 ed.): Mario N. Armenise, Caterina Ciminelli, Francesco Dell'Olio,... Advances in Gyroscope Technologies (Paperback, 2011 ed.)
Mario N. Armenise, Caterina Ciminelli, Francesco Dell'Olio, Vittorio M.N. Passaro
R2,873 Discovery Miles 28 730 Ships in 10 - 15 working days

This monograph collects and critically reviews the main results obtained by the scientific community in gyroscope technologies research field. It describes architectures, design techniques and fabrication technology of angular rate sensors proposed in literature. MEMS, MOEMS, optical and mechanical technologies are discussed together with achievable performance. The book also consideres future research trends aimed to cover special applications. The book is intended for researchers and Ph.D. students interested in modelling, design and fabrication of gyros. The book may be a useful education support in some university courses focused on gyro technologies.

Quantifying the Martian Geochemical Reservoirs (Paperback, 2013 ed.): Michael Toplis, James Bell III, Eric Chassefiere,... Quantifying the Martian Geochemical Reservoirs (Paperback, 2013 ed.)
Michael Toplis, James Bell III, Eric Chassefiere, Christophe Sotin, Tilman Spohn, …
R5,364 Discovery Miles 53 640 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.

Fault Detection and Isolation - Multi-Vehicle Unmanned Systems (Paperback, 2011 ed.): Nader Meskin, Khashayar Khorasani Fault Detection and Isolation - Multi-Vehicle Unmanned Systems (Paperback, 2011 ed.)
Nader Meskin, Khashayar Khorasani
R2,873 Discovery Miles 28 730 Ships in 10 - 15 working days

"Fault Detection and Isolation: Multi-Vehicle Unmanned System" deals with the design and development of fault detection and isolation algorithms for unmanned vehicles such as spacecraft, aerial drones and other related vehicles. Addressing fault detection and isolation is a key step towards designing autonomous, fault-tolerant cooperative control of networks of unmanned systems. This book proposes a solution based on a geometric approach, and presents new theoretical findings for fault detection and isolation in Markovian jump systems. Also discussed are the effects of large environmental disturbances, as well as communication channels, on unmanned systems. The book proposes novel solutions to difficulties like robustness issues, as well as communication channel anomalies. "Fault Detection and Isolation: Multi-Vehicle Unmanned System" is an ideal book for researchers and engineers working in the fields of fault detection, as well as networks of unmanned vehicles.

Thermo-Magnetic Systems for Space Nuclear Reactors - An Introduction (Paperback, 2014 ed.): Carlos O. Maidana Thermo-Magnetic Systems for Space Nuclear Reactors - An Introduction (Paperback, 2014 ed.)
Carlos O. Maidana
R1,676 Discovery Miles 16 760 Ships in 10 - 15 working days

Introduces the reader to engineering magnetohydrodynamics applications and presents a comprehensive guide of how to approach different problems found in this multidisciplinary field. An introduction to engineering magnetohydrodynamics, this brief focuses heavily on the design of thermo-magnetic systems for liquid metals, with emphasis on the design of electromagnetic annular linear induction pumps for space nuclear reactors. Alloy systems that are liquid at room temperature have a high degree of thermal conductivity far superior to ordinary non-metallic liquids. This results in their use for specific heat conducting and dissipation applications. For example, liquid metal-cooled reactors are typically very compact and can be used in space propulsion systems and in fission reactors for planetary exploration. Computer aided engineering (CAE), computational physics and mathematical methods are introduced, as well as manufacturing and testing procedures. An overview on space nuclear systems is also included. This brief is an invaluable tool for design engineers and applied physicists as well as to graduate students in nuclear and mechanical engineering or in applied physics.

Plasma Astrophysics, Part II - Reconnection and Flares (Paperback, 2nd ed. 2013): Boris V. Somov Plasma Astrophysics, Part II - Reconnection and Flares (Paperback, 2nd ed. 2013)
Boris V. Somov
R7,041 Discovery Miles 70 410 Ships in 10 - 15 working days

This two-part book is devoted to classic fundamentals and current practices and perspectives of modern plasma astrophysics. This second part discusses the physics of magnetic reconnection and flares of electromagnetic origin in space plasmas in the solar system, single and double stars, relativistic objects, accretion disks and their coronae. More than 25% of the text is updated from the first edition, included the additions of new figures, equations and entire sections on topics such as topological triggers for solar flares and the magnetospheric physics problem. This book is aimed at professional researchers in astrophysics, but it will also be useful to graduate students in space sciences, geophysics, applied physics and mathematics, especially those seeking a unified view of plasma physics and fluid mechanics.

Robotic Exploration of the Solar System - Part 4: The Modern Era 2004 -2013 (Paperback, 2015 ed.): Paolo Ulivi, David M. Harland Robotic Exploration of the Solar System - Part 4: The Modern Era 2004 -2013 (Paperback, 2015 ed.)
Paolo Ulivi, David M. Harland
R3,231 Discovery Miles 32 310 Ships in 10 - 15 working days

In Robotic Exploration of the Solar System, Paolo Ulivi and David Harland provide a comprehensive account of the design and management of deep-space missions, the spacecraft involved - some flown, others not - their instruments, and their scientific results. This fourth volume in the series covers the period 2004 to the present day and features: coverage of the Rosetta and Curiosity missions up to the end of 2013 coverage of Mars missions since 2005, including the Mars Reconnaissance Orbiter, Phoenix and Fobos-Grunt, plus a description of plans for future robotic exploration of the Red Planet coverage of all planetary missions launched between 2004 and 2013, including the Deep Impact cometary mission, the MESSENGER Mercury orbiter, the New Horizons Pluto flyby and the Juno Jupiter orbiter the first complete description of the Chinese Chang'e 2 asteroid flyby mission ever published extensive coverage of future missions, including the European BepiColombo Mercury orbiter and international plans to revisit the most interesting moons of Jupiter and Saturn.

Mercury's Interior, Surface, and Surrounding Environment - Latest Discoveries (Paperback, 2015 ed.): Pamela Elizabeth Clark Mercury's Interior, Surface, and Surrounding Environment - Latest Discoveries (Paperback, 2015 ed.)
Pamela Elizabeth Clark
R1,779 Discovery Miles 17 790 Ships in 10 - 15 working days

This SpringerBrief details the MESSENGER Mission, the findings of which present challenges to widely held conventional views and remaining mysteries surrounding the planet. The work answers the question of why Mercury is so dense, and the implications from geochemical data on its planetary formation. It summarizes imaging and compositional data from the terrestrial planet surface processes and explains the geologic history of Mercury. It also discusses the lack of southern hemisphere coverage. Our understanding of the planet Mercury has been in a transitional phase over the decades since Mariner 10. The influx of new data from the NASA MESSENGER Mission since it was inserted into the orbit of Mercury in March of 2011 has greatly accelerated that shift. The combined compositional data of relatively high volatiles (S, K), relatively low refractories (Al, Ca), and low crustal iron, combined with an active, partially molten iron rich core, has major implications for Mercury and Solar System formation. From a scientist at NASA Goddard Space Flight Center, this presents a comprehensive overview of the discoveries from the ten-year MESSENGER mission.

Space Systems for Disaster Warning, Response, and Recovery (Paperback, 2015 ed.): Scott Madry Space Systems for Disaster Warning, Response, and Recovery (Paperback, 2015 ed.)
Scott Madry
R1,986 Discovery Miles 19 860 Ships in 10 - 15 working days

This SpringerBrief provides a general overview of the role of satellite applications for disaster mitigation, warning, planning, recovery and response. It covers both the overall role and perspective of the emergency management community as well as the various space applications that support their work. Key insights are provided as to how satellite telecommunications, remote sensing, navigation systems, GIS, and the emerging domain of social media are utilized in the context of emergency management needs and requirements. These systems are now critical in addressing major man-made and natural disasters. International policy and treaties are covered along with various case studies from around the world. These case studies indicate vital lessons that have been learned about how to use space systems more effectively in addressing the so-called "Disaster Cycle." This book is appropriate for practicing emergency managers, Emergency Management (EM) courses, as well as for those involved in various space applications and developing new satellite technologies.

The Twenty-First Century Commercial Space Imperative (Paperback, 2015 ed.): Anthony Young The Twenty-First Century Commercial Space Imperative (Paperback, 2015 ed.)
Anthony Young
R2,014 Discovery Miles 20 140 Ships in 10 - 15 working days

Young addresses the impressive expansion across existing and developing commercial space business markets, with multiple private companies competing in the payload launch services sector. The author pinpoints the new markets, technologies, and players in the industry, as well as highlighting the overall reasons why it is important for us to develop space. NASA now relies on commercial partners to supply cargo and crew spacecraft and services to and from the International Space Station. The sizes of satellites are diminishing and their capabilities expanding, while costs to orbit are decreasing. Suborbital space tourism holds the potential of new industries and jobs. Commercial space exploration of the Moon and the planets also holds promise. All this activity is a catalyst for anyone interested in joining the developing space industry, from students and researchers to engineers and entrepreneurs. As more and more satellites and rockets are launched and the business of space is expanding at a significant pace, it is increasingly important for scientists and engineers of many disciplines to understand how the business evolved and where it is continuing to develop. The growing field is fully explored in this concise overview to the players in this changing landscape.

The Cassini-Huygens Mission - Orbiter In Situ Investigations Volume 2 (Paperback, Softcover reprint of the original 1st ed.... The Cassini-Huygens Mission - Orbiter In Situ Investigations Volume 2 (Paperback, Softcover reprint of the original 1st ed. 2004)
C. T. Russell
R2,942 Discovery Miles 29 420 Ships in 10 - 15 working days

The joint NASA-ESA Cassini-Huygens mission promises to return four (and possibly more) years of unparalleled scientific data from the solar system's most exotic planet, the ringed, gas giant, Saturn. Larger than Galileo with a much greater communication bandwidth, Cassini can accomplish in a single flyby what Galileo returned in a series of passes. Cassini explores the Saturn environment in three dimensions, using gravity assists to climb out of the equatorial plane to look down on the rings from above, to image the aurora and to study polar magnetospheric processes such as field-aligned currents. Since the radiation belt particle fluxes are much more benign than those at Jupiter, Cassini can more safely explore the inner regions of the magnetosphere. The spacecraft approaches the planet closer than Galileo could, and explores the inner moons and the rings much more thoroughly than was possible at Jupiter. This book is the second volume, in a three volume set, that describes the Cassini/Huygens mission. This volume describes the in situ investigations on the Cassini orbiter: plasma spectrometer, ion and neutral mass spectrometer, energetic charged and neutral particle spectrometer, magnetometer, radio and plasma wave spectrometer and the cosmic dust analyzer. This book is of interest to all potential users of the Cassini-Huygens data, to those who wish to learn about the planned scientific return from the Cassini-Huygens mission and those curious about the processes occurring on this most fascinating planet. A third volume describes the remote sensing investigations on the orbiter.

Space Astronomy - The UV Window to the Universe (Paperback, 2010 ed.): Ana I G omez de Castro, Noah Brosch Space Astronomy - The UV Window to the Universe (Paperback, 2010 ed.)
Ana I G omez de Castro, Noah Brosch
R5,621 Discovery Miles 56 210 Ships in 10 - 15 working days

The field of ultraviolet astronomy offers unequalled scientific promise yet has not been blessed with a multitude of space missions (as has been the case for other spectral domains). This book contains a distillation of the community's views on the topic and the desires for future observational facilities. As such, it provides the most up-to-date information on the topic of ultraviolet astronomy from a very broad point of view, presenting a compilation of lectures given at a specialist meeting and combining theoretical arguments with observational reports and detailed instrumental information.

Nanodust in the Solar System: Discoveries and Interpretations (Paperback, 2012 ed.): Ingrid Mann, Nicole Meyer-Vernet, Andrzej... Nanodust in the Solar System: Discoveries and Interpretations (Paperback, 2012 ed.)
Ingrid Mann, Nicole Meyer-Vernet, Andrzej Czechowski
R2,855 Discovery Miles 28 550 Ships in 10 - 15 working days

Nanodust and nanometer-sized structures are important components of many objects in space. Nanodust is observed in evolved stars, young stellar objects, protoplanetary disks, and dust debris disks. Within the solar system, nanodust is observed with in-situ experiments from spacecraft. Nanometer-sized substructures are found in the collected cometary and interplanetary dust particles and in meteorites. Understanding the growth and destruction of dust, its internal evolution, as well as the optical properties and the detection of nanoparticles is of fundamental importance for astrophysical research. This book provides a focused description of the current state of research and experimental results concerning nanodust in the solar system. It addresses three major questions: What is nanodust? How was it discovered in the solar system? And how do we interpret the observations? The book serves as a self-contained reference work for space researchers and provides solid information on nanodust in cosmic environments for researchers working in astrophysics or in other fields of physics.

Energy Storage and Release through the Solar Activity Cycle - Models Meet Radio Observations (Paperback, 2012 ed.): Christophe... Energy Storage and Release through the Solar Activity Cycle - Models Meet Radio Observations (Paperback, 2012 ed.)
Christophe Marque, Alexander Nindos
R2,856 Discovery Miles 28 560 Ships in 10 - 15 working days

For nearly sixty years, radio observations have provided a unique insight into the physics of the active and quiescent solar atmosphere. Thanks to the variety of emission mechanisms and to the large altitude range available to observations, fundamental plasma parameters have been measured from the low chromosphere to the upper corona and interplanetary medium. This book presents current research in solar radio astronomy and shows how well it fits in the exceptional scientific context brought by the current space solar observatories. It essentially contains contributed research and review papers presented during the 2010 Community of European Solar Radio Astronomers (CESRA) meeting, which took place in Belgium in June 2010. This book is aimed at graduate students and researchers working in solar physics and space science. Previously published in Solar Physics journal, Vol. 273/2, 2011.

On-Orbit Operations Optimization - Modeling and Algorithms (Paperback, 2014 ed.): Leping Yang, Yanwei Zhu, Xianhai Ren, Yuanwen... On-Orbit Operations Optimization - Modeling and Algorithms (Paperback, 2014 ed.)
Leping Yang, Yanwei Zhu, Xianhai Ren, Yuanwen Zhang
R1,896 Discovery Miles 18 960 Ships in 10 - 15 working days

On-orbit operations optimization among multiple cooperative or noncooperative spacecraft, which is often challenged by tight constraints and shifting parameters, has grown to be a hot issue in recent years. The authors of this book summarize related optimization problems into four planning categories: spacecraft multi-mission planning, far-range orbital maneuver planning, proximity relative motion planning and multi-spacecraft coordinated planning. The authors then formulate models, introduce optimization methods, and investigate simulation cases that address problems in these four categories. This text will serve as a quick reference for engineers, graduate students, postgraduates in the fields of optimization research and on-orbit operation mission planning.

Interstellar Boundary Explorer (IBEX) (Paperback, 2010 ed.): David McComas, Gary Zank, Nathan Schwadron Interstellar Boundary Explorer (IBEX) (Paperback, 2010 ed.)
David McComas, Gary Zank, Nathan Schwadron
R4,373 Discovery Miles 43 730 Ships in 10 - 15 working days

over to nominal operations and began making our groundbreaking science observations. Remarkably, the IBEX project was able to do all this work including developing an entirely new launch capability, building and ying a unique and highly specialized spacecraft and instrument suite, and maintaining full funding for our Education and Public Outreach and Phase E science activities, while still under-running our original cost cap (as modi ed by NASA-directed changes), by roughly three-quarters of a million dollars. This book comprises a set of papers that describe the IBEX science, instruments, and mission and put these in the context of the existing knowledge of the interstellar interaction at the time of the launch. The book sets the stage for research that will be based on data from the IBEX mission. We sincerely hope that future researchers, authors and students will use this information to help in their studies. Chapter 1 [McComas et al. ] provides an overview of the entire IBEX program including the IBEX science, hardware, and mission. Chapter 2 describes the IBEX spacecraft and ight system [Scherrer et al. ]. Chapters 3-4 provide the details of the IBEX-Hi instrument [Funsten et al. ] and background monitor that is built into it [Allegrini et al. ], while Chapters 5-7 describe the IBEX-Lo instrument [Fuselier et al. ], how IBEX-Lo can measure the interstellar neutrals directly entering the heliosphere [Moebius et al.

Use of Extraterrestrial Resources for Human Space Missions to Moon or Mars (Paperback, 2013 ed.): Donald Rapp Use of Extraterrestrial Resources for Human Space Missions to Moon or Mars (Paperback, 2013 ed.)
Donald Rapp
R3,991 Discovery Miles 39 910 Ships in 10 - 15 working days

This book carries out approximate estimates of the costs of implementing ISRU on the Moon and Mars. It is found that no ISRU process on the Moon has much merit. ISRU on Mars can save a great deal of mass, but there is a significant cost in prospecting for resources and validating ISRU concepts. Mars ISRU might have merit, but not enough data are available to be certain. In addition, this book provides a detailed review of various ISRU technologies. This includes three approaches for Mars ISRU based on processing only the atmosphere: solid oxide electrolysis, reverse water gas shift reaction (RWGS), and absorbing water vapor directly from the atmosphere. It is not clear that any of these technologies are viable although the RWGS seems to have the best chance. An approach for combining hydrogen with the atmospheric resource is chemically very viable, but hydrogen is needed on Mars. This can be approached by bringing hydrogen from Earth or obtaining water from near-surface water deposits in the soil. Bringing hydrogen from Earth is problematic, so mining the regolith to obtain water seems to be the only way to go. This will require a sizable campaign to locate and validate useable water resources. Technologies for lunar ISRU are also reviewed, even though none of them provide significant benefits to near-term lunar missions. These include oxygen from lunar regolith, solar wind volatiles from regolith, and extraction of polar ice from permanently shaded craters.

The Solar Dynamics Observatory (Paperback, 2012 ed.): Phillip Chamberlin, William Dean Pesnell, Barbara Thompson The Solar Dynamics Observatory (Paperback, 2012 ed.)
Phillip Chamberlin, William Dean Pesnell, Barbara Thompson
R4,384 Discovery Miles 43 840 Ships in 10 - 15 working days

This volume is dedicated to the Solar Dynamics Observatory (SDO), which was launched 11 February 2010. The articles focus on the spacecraft and its instruments: the Atmospheric Imaging Assembly (AIA), the Extreme Ultraviolet Variability Experiment (EVE), and the Helioseismic and Magnetic Imager (HMI). Articles within also describe calibration results and data processing pipelines that are critical to understanding the data and products, concluding with a description of the successful Education and Public Outreach activities. This book is geared towards anyone interested in using the unprecedented data from SDO, whether for fundamental heliophysics research, space weather modeling and forecasting, or educational purposes. Previously published in Solar Physics journal, Vol. 275/1-2, 2012. Selected articles in this book are published open access under a CC BY-NC 2.5 license at link.springer.com. For further details, please see the license information in the chapters.

Space Solar Physics - Theoretical and Observational Issues in the Context of the SOHO Mission (Paperback, Softcover reprint of... Space Solar Physics - Theoretical and Observational Issues in the Context of the SOHO Mission (Paperback, Softcover reprint of the original 1st ed. 1998)
Jean-Claude Vial, Karine Bocchialini, Patrick Boumier
R1,528 Discovery Miles 15 280 Ships in 10 - 15 working days

This is a fair overview of the basic problems in Solar Physics. The authors address not only the physics that is well understood but also discuss many open questions. The lecturers' involvement in the SOHO mission guarantees a modern and up-to-date analysis of observational data and makes this volume an extremely valuable source for further research.

The Rise and Fall of COMSAT - Technology, Business, and Government in Satellite Communications (Paperback, 1st ed. 2014): D.... The Rise and Fall of COMSAT - Technology, Business, and Government in Satellite Communications (Paperback, 1st ed. 2014)
D. Whalen
R2,857 Discovery Miles 28 570 Ships in 10 - 15 working days

After pioneering this technology and growing the market, COMSAT fell prey to changes in government policy and to its own lack of entrepreneurial talent. The author explores the factors which contributed to this rise and fall of COMSAT.

Large-scale Magnetic Fields in the Universe (Paperback): Rainer Beck, Andre Balogh, D. V. Bykov, Rudolf A. Treumann, Lawrence... Large-scale Magnetic Fields in the Universe (Paperback)
Rainer Beck, Andre Balogh, D. V. Bykov, Rudolf A. Treumann, Lawrence Widrow
R5,479 Discovery Miles 54 790 Ships in 10 - 15 working days

A collection of sixteen coordinated reviews on the origins of large-scale magnetic fields in the Universe, this book discusses magnetic fields in all relevant astrophysical contexts, from the interstellar medium to the scales of galaxies and clusters of galaxies. Magnetic fields are described in their very diverse environments, from stellar winds to galactic haloes and astrophysical jets; together with the roles they play in forming the structures and shaping the dynamics of these objects. Both observational evidence and its theoretical interpretations are covered up to the largest scales in the Universe. The authors are all leading scientists in their fields, making this book an authoritative, up-to-date and enduring contribution to astrophysics. This volume is aimed at graduate students and researchers in astrophysics. Previously published in Space Science Reviews journal, Vol. 166/1-4 and Vol. 169/1-4, 2012.

Solar Flare Magnetic Fields and Plasmas (Paperback, 2012 ed.): Yuhong Fan, George Fisher Solar Flare Magnetic Fields and Plasmas (Paperback, 2012 ed.)
Yuhong Fan, George Fisher
R2,849 Discovery Miles 28 490 Ships in 10 - 15 working days

This volume is devoted to the dynamics and diagnostics of solar magnetic fields and plasmas in the Sun's atmosphere. Five broad areas of current research in Solar Physics are presented: (1) New techniques for incorporating radiation transfer effects into three-dimensional magnetohydrodynamic models of the solar interior and atmosphere, (2) The connection between observed radiation processes occurring during flares and the underlying flare energy release and transport mechanisms, (3) The global balance of forces and momenta that occur during flares, (4) The data-analysis and theoretical tools needed to understand and assimilate vector magnetogram observations and (5) Connecting flare and CME phenomena to the topological properties of the magnetic field in the Solar Atmosphere. The role of the Sun's magnetic field is a major emphasis of this book, which was inspired by a workshop honoring Richard C. (Dick) Canfield. Dick has been making profound contributions to these areas of research over a long and productive scientific career. Many of the articles in this topical issue were first presented as talks during this workshop and represent substantial original work. The workshop was held 9 - 11 August 2010, at the Center Green campus of the National Center for Atmospheric Research (NCAR) in Boulder, Colorado. This volume is aimed at researchers and graduate students active in solar physics, solar-terrestrial physics and magneto-hydrodynamics. Previously published in Solar Physics journal, Vol. 277/1, 2012.

Dynamics of Satellites / Dynamique des Satellites - Symposium Paris, May 28-30, 1962 / Symposium Paris, 28-30 Mai 1962... Dynamics of Satellites / Dynamique des Satellites - Symposium Paris, May 28-30, 1962 / Symposium Paris, 28-30 Mai 1962 (English, French, Paperback, Softcover reprint of the original 1st ed. 1963)
Maurice Roy
R1,532 Discovery Miles 15 320 Ships in 10 - 15 working days

Depuis Ie lancement de SPOUTNIK I par l'Union Sovietique Ie 4 Octobre 1957, des experiences humaines de Mecanique celeste de cette sorte ont ete repetees it de nombreuses reprises en U. R. S. S. et aux U. S. A. En 1961, sur ma proposition, l'Union Internationale de Mecanique tMorique et appliquee retint l'idee de consacrer en 1962 un Symposium special it la confrontation des resultats des experiences sovietiques et americaines en vue d'en tirer Ie maximum d'enseignements sur la question fondamentale suivante concernant la " Dynamique des satellites artificiels) de la Terre: quelles sont la nature et les lois des forces reelles qui agissent sur ces mobiles au voisinage de notre planete, et qui determinent par consequent leur mouvement~ En d'autres termes, il s'agissait de faire Ie point de nos connaissances sur Ie probleme du mouvement des Astres, magistralement resolu par NEWTON il Y a plus de trois siecles pour des astres quasi-ponctuels et assez eloignes. Les moyens d'observation utilises pour connaitre avec la meilleure precision possible Ie mouvement des satellites artificiels lances depuis 1957, et Ie fait de. la proximite relative de ces satellites par rapport it la Terre sont par eux-memes d~ nature it reveler soit des alterations de la loi classique de 1'attraction newtonienne, dont la signification serait it rechercher, soit l'intervention de forces per- turbatrices, dont l'origine et Vexpression seraient it preciser.

Bigelow Aerospace - Colonizing Space One Module at a Time (Paperback, 2015 ed.): Erik Seedhouse Bigelow Aerospace - Colonizing Space One Module at a Time (Paperback, 2015 ed.)
Erik Seedhouse
R1,957 Discovery Miles 19 570 Ships in 10 - 15 working days

Here for the first time you can read: how a space technology start-up is pioneering work on expandable space station moduleshow Robert Bigelow licensed the TransHab idea from NASA, and how his company developed the technology for more than a decadehow, very soon, a Bigelow expandable module will be docked with the International Space Station.

At the core of Bigelow's plan is the inflatable module technology. Tougher and more durable than their rigid counterparts, these inflatable modules are perfectly suited for use in the space, where Bigelow plans to link them together to form commercial space stations. This book describes how this new breed of space stations will be built and how the link between Bigelow Aerospace, NASA and private companies can lead to a new economy a space economy. Finally, the book touches on Bigelow's aspirations beyond low Earth orbit, plans that include the landing of a base on the lunar surface and the prospect of missions to Mars."

Penetrating Bars through Masks of Cosmic Dust - The Hubble Tuning Fork strikes a New Note (Paperback, Softcover reprint of the... Penetrating Bars through Masks of Cosmic Dust - The Hubble Tuning Fork strikes a New Note (Paperback, Softcover reprint of the original 1st ed. 2004)
David L. Block, Ivanio Puerari, K. C. Freeman, R. Groess, Elizabeth K. Block
R8,494 Discovery Miles 84 940 Ships in 10 - 15 working days

THE EDITORS: DAVID L. BLOCK AND KENNETH C. FREEMAN (SOC CO-CHAIRS), IVANIO PUERARI, ROBERT GROESS AND LIZ K. BLOCK 1. Harvard College Observatory, 1958 The past century has truly brought about an explosive period of growth and discovery for the physical sciences as a whole, and for astronomy in particular. Galaxy morphology has reached a renaissance . . The year: 1958. The date: October 1. The venue: Harvard College Observatory. The lecturer: Walter Baade. With amazing foresight, Baade penned these words: "Young stars, supergiants and so on, make a terrific splash - lots of light. The total mass of these can be very small compared to the total mass of the system". Dr Layzer then asked the key question: " . . . the discussion raises the point of what this classification would look like if you were to ignore completely all the Population I, and just focus attention on the Population II . . . " We stand on the shoulders of giants. The great observer E. E. Barnard, in his pioneering efforts to photograph the Milky Way, devoted the major part of his life to identifying and numbering dusty "holes" and dust lanes in our Milky Way. No one could have dreamt that the pervasiveness of these cosmic dust masks (not only in our Galaxy but also in galaxies at high redshift) is so great, that their "penetration" is truly one of the pioneering challenges from both space-borne telescopes and from the ground.

From Extrasolar Planets to Cosmology: The VLT Opening Symposium - Proceedings of the ESO Symposium Held at Antofagasta, Chile,... From Extrasolar Planets to Cosmology: The VLT Opening Symposium - Proceedings of the ESO Symposium Held at Antofagasta, Chile, 1-4 March 1999 (Paperback, Softcover reprint of the original 1st ed. 2000)
Bernard Fort; Edited by Jacqueline Bergeron, Alvio Renzini; Edited by (associates) Piero Rosati, Rolf Kudritzki, …
R2,964 Discovery Miles 29 640 Ships in 10 - 15 working days

This symposium was dedicated to science opportunities with the VLT. All major areas of astronomical research were discussed in the plenary sessions, ranging from where we stand in cosmology to the new frontiers in the solar system. The workshops published in this volume focussed on different ways of finding clusters of galaxies at high redshift, on gravitational lensing by distant compact clusters, on the use of stellar populations as distance, age or abundance indicators, and on the extraordinary progress made in the discovery of extrasolar planets. This book affords a glimpse of what will be at the center of astrophysical research in the forthcoming decade. It is addressed to researchers and graduate students.

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