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Books > Professional & Technical > Other technologies > Space science
The past forty years of space research have seen a substantial improvement in our understanding of the Earth's magnetosphere and its coupling with the solar wind and interplanetary magnetic ?eld (IMF). The magnetospheric str- ture has been mapped and major processes determining this structure have been de?ned. However, the picture obtained is too often static. We know how the magnetosphere forms via the interaction of the solar wind and IMF with the Earth's magnetic ?eld. We can describe the steady state for various upstream conditions but do not really understand the dynamic processes leading from one state to another. The main dif?culty is that the magnetosphere is a comp- cated system with many time constants ranging from fractions of a second to days and the system rarely attains a steady state. Two decades ago, it became clear that further progress would require multi-point measurements. Since then, two multi-spacecraft missions have been launched - INTERBALL in 1995/96 and CLUSTER II in 2000. The objectives of these missions d- fered but were complementary: While CLUSTER is adapted to meso-scale processes, INTERBALL observed larger spatial and temporal scales. However, the number of papers taking advantage of both missions simul- neously is rather small.
For introductory course in space flight dynamics. A self-contained, integrated introduction to the performance aspects of flight - how to get into space, how to get around in space, and how to return to Earth or land on another planet (as opposed to specialized areas of life support, guidance and control, or communications).
The Earth has limited material and energy resources while these resources in space are virtually unlimited. Further development of humanity will require going beyond our planet and exploring of extraterrestrial resources and sources of unlimited power. Thus far, all missions to asteroids have been motivated by scientific exploration. However, given recent advancements in various space technologies, mining asteroids for resources is becoming ever more feasible. A significant portion of asteroids value is derived from their location; the required resources do not need to be lifted at a great expense from the surface of the Earth. Resources derived from Asteroid not only can be brought back to Earth but could also be used to sustain human exploration of space and permanent settlements in space. This book investigates asteroids' prospective energy and material resources. It is a collection of topics related to asteroid exploration, and utilization. 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 involved in current and impending asteroid-related activities and a good starting point for space researchers, inventors, technologists and potential investors. Written for researchers, engineers, and businessmen interested in asteroids' exploration and exploitation. Keywords: Asteroids, Asteroid exploration, Asteroid exploitation, Energy sources, Space Resources, Material Resources, In-Situ Resource Utilization, Mining
This book focuses on all of the major problems associated with the absence of body weight in space, by analyzing effects, adaption, and re-adaptation upon returning to Earth, using sound scientific principles embedded in a historical context. Serious problems for space travelers range from Space Motion Sickness (SMS) to recently discovered ocular effects that may permanently impair vision. Fluid loss and shifts, spinal changes, and bone and muscle loss are also all results of weightlessness. Starting with a brief definition and history of weightlessness, the authors then address in detail each problem as well as the countermeasures aimed at alleviating them. In some cases, alternative hypotheses regarding what can and should be attempted are also presented. As plans for long-term missions to the Moon and Mars develop, it will be essential to find countermeasures to weightlessness that are effective for missions that could span years.
From the Nasa astronaut who spent a record-breaking year aboard the International Space Station - what it's like out there and what it's like now, back here. Enter Scott Kelly's fascinating world and dare to think of your own a little differently. The veteran of four space flights and the American record holder for most consecutive days spent in space, Scott Kelly has experienced things very few of us ever have and very few of us ever will. Kelly's humanity, compassion, humour, and passion shine as he describes navigating the extreme challenge of long-term spaceflight, both existential and banal. He touches on what's happened to his body, the sadness of being isolated from everyone he loves; the pressures of constant close cohabitation; the catastrophic risks of colliding with space junk, and the still more haunting threat of being absent should tragedy strike at home. From a natural storyteller, Endurance is one of the finest examples the triumph of the human imagination, the strength of the human will, and the boundless wonder of the galaxy.
Captures advances being made in the field of coronal magnetism, from theory to observations and instrumentation. This volume is a collection of research articles on the subject of the solar corona, and particularly, coronal magnetism. The book was motivated by the Workshop on Coronal Magnetism: Connecting Models to Data and the Corona to the Earth, which was held 21 - 23 May 2012 in Boulder, Colorado, USA. This workshop was attended by approximately 60 researchers. Articles from this meeting are contained in this topical issue, but the topical issue also contains contributions from researchers not present at the workshop. This volume is aimed at researchers and graduate students active in solar physics. Originally published in Solar Physics, Vol. 288, Issue 2, 2013 and Vol. 289, Issue 8, 2014.
The study of the Solar system, particularly of its newly discovered outer parts, is one of the hottest topics in modern astrophysics with great potential for revealing fundamental clues about the origin of planets and even the emergence of life. The three lecturers of the 35th Saas-Fee Advanced Course, which have been updated and collected in this volume, cover the field from observational, theoretical and numerical perspectives.
Reducing the cost of space program interests people more and more nowadays due to the concerns of budget limitation and commercialization of space technology. The Proceedings of the 3rd International Symposium on Reducing the Cost of Spacecraft Ground Systems and Operations bring together papers contributed by the authors representing the research organizations, academic institutions and commercial sectors of 10 countries around the world. The papers encompass the subject areas in mission planning and operation, TT&C systems, mission control centers, and mini and small satellite support, highlighting the issues concerned by the researchers and engineers involved in a wide range of space programs and space industries.
A valuable reference for students and professionals in the field of deep space navigation Drawing on fundamental principles and practices developed during decades of deep space exploration at the California Institute of Technology’s Jet Propulsion Laboratory (JPL), this book documents the formation of program Regres of JPL’s Orbit Determination Program (ODP). Program Regres calculates the computed values of observed quantities (e.g., Doppler and range observables) obtained at the tracking stations of the Deep Space Network, and also calculates media corrections for the computed values of the observable and partial derivatives of the computed values of the observables with respect to the solve-for-parameter vector-q. The ODP or any other program which uses its formulation can be used to navigate a spacecraft anywhere in the solar system. A publication of the JPL Deep Space Communications and Navigation System Center of Excellence (DESCANSO), Formulation for Observed and Computed Values of Deep Space Network Data Types for Navigation is an invaluable resource for graduate students of celestial mechanics or astrodynamics because it:
The Deep Space Communications and Navigation Series is authored by scientists and engineers with extensive experience in astronautics, communications, and related fields. It lays the foundation for innovation in the areas of deep space navigation and communications by conveying state-of-the-art knowledge in key technologies.
Neutron stars hold a central place in astrophysics, not only because they are made up of the most extreme states of the condensed matter, but also because they are, along with white dwarfs and black holes, one of the stable configurations that stars reach at the end of stellar evolution. Neutron stars posses the highest rotation rates and strongest magnetic fields among all stars. They radiate prolifically, in high energy electromagnetic radiation and in the radio band. This book is devoted to the selected lectures presented in the 6th NATO-ASI series entitled "The Electromagnetic Spectrum of Neutron Stars" in Marmaris, Turkey, on 7-18 June 2004. This ASI is devoted to the spectral properties of neutron stars. Spectral observations of neutron stars help us to understand the magnetospheric emission processes of isolated radio pulsars and the emission processes of accreting neutron stars. This volume includes spectral information from the neutron stars in broadest sense, namely neutrino and gravitational radiation along with the electromagnetic spectrum. We believe that this volume can serve as graduate level of text including the broad range of properties of neutron stars.
The book is an up-to-date and comprehensive description of the institutions involved in the aerospace field. It discusses the activities of the main space powers, the United Nations and other international organizations. Without listing figures and budgets, the author conveys a clear idea of the relative importance of those institutions. The novelty of this work is that, in bringing together national and international entities, it explains how those organizations interrelate and coordinate their programs. A complete picture emerges which is more than the sum of its parts. The field of aerospace, which depends heavily on government funding and direction, has been particularly effected by the shifting alliances and recent financial troubles of the space powers. In a book which is both comprehensive and simple to understand, d'Angelo has collected the many pieces of a complex institutional mosaic to draw a clear picture of the entire framework. In addition to being up-to-date, the book is also a novelty in the sense that it describes the work of both national and international entities and explains how those organizations interrelate and coordinate their programs. Without making a list of figures and budgets, d'Angelo gives a clear idea of the relative weight of the various government activities. From the discussion of those activities the reader gains an understanding of the current state of affairs as well as future trends.
Peter Bond describes the development and evolution of space stations, with particular emphasis on the International Space Station, beginning with the revolution that began in 1970, when Salyut 1, the world's first space station was sent into orbit by the Soviet Union. Defeated in the race to the Moon, the Soviets redirected their efforts towards the conquest of near-Earth space. In the next three decades, their increasingly large and sophisticated structures rewrote the history books as cosmonauts continued to push back all space endurance records. Only the U.S. Skylab, a technological cul-de-sac based on surplus Apollo hardware, interrupted this era of Soviet domination. By the mid-1990's, Russian physician Valeri Poliakov had lived continuously for 14 months on board the Mir space station, long enough to travel to Mars and back. The book explains how the human exploitation of low-Earth orbit is about to change. With Mir no longer in existence, all eyes are on the next generation, the International Space Station (ISS).
Magnetized plasmas in the universe exhibit complex dynamical behavior over a huge range of scales. The fundamental mechanisms of energy transport, redistribution and conversion occur at multiple scales. The driving mechanisms often include energy accumulation, free-energy-excited relaxation processes, dissipation and self-organization. The plasma processes associated with energy conversion, transport and self-organization, such as magnetic reconnection, instabilities, linear and nonlinear waves, wave-particle interactions, dynamo processes, turbulence, heating, diffusion and convection represent fundamental physical effects. They demonstrate similar dynamical behavior in near-Earth space, on the Sun, in the heliosphere and in astrophysical environments. 'Multi-scale Dynamical Processes in Space and Astrophysical Plasmas' presents the proceedings of the International Astrophysics Forum Alpbach 2011. The contributions discuss the latest advances in the exploration of dynamical behavior in space plasmas environments, including comprehensive approaches to theoretical, experimental and numerical aspects. The book will appeal to researchers and students in the fields of physics, space and astrophysics, solar physics, geophysics and planetary science.
The present book Essential Spaceflight Dynamics and Magnetospherics
describes, in the first instance, some of the key aspects of
celestial mechanics and spaceflight dynamics. It begins with
classical two and three body problems illustrative of the aesthetic
aspects of applying analytical methods of investigation to
celestial mechanics. Then, osculating orbital elements are
introduced as well as analysis techniques sufficient to evaluate
the influence of various disturbing forces on spacecraft. Next a
theory of manoeuvres is outlined and the methodology of making
interplanetary trajectory corrections. Ideas involving various
approaches to orbital element determinations using measured data
are also considered. The forces applied to a spacecraft can result
in the development of torques that influence attitude motion and
the effects of the most important of these are described in terms
of equilibrium positions, periodic motions, steady-state and
transient motions. Also considered is the problem of attitude
control of a spacecraft using active and/or passive methods of
orientation and stabilization. In addition, a more advanced
treatment of the development of attitude control systems is
provided.
This book provides an overview of recent research highlights in the main areas of application of magnetic reconnection (MR), including planetary, solar and magnetospheric physics and astrophysics. It describes how research on magnetic reconnection, especially concerning the Earth's magnetosphere, has grown extensively due to dedicated observations from major satellite missions such as Cluster, Double Star and Themis. The accumulated observations from these missions are being supplemented by many theoretical and modelling efforts, for which large scale computer facilities are successfully being used, and the theoretical advances are also covered in detail. Opening with an introductory discussion of some fundamental issues related to magnetic reconnection, subsequent chapters address topics including collisionless magnetic reconnection, MHD structures in 3D reconnection, energy conversion processes, fast reconnection mediated by plasmoids, rapid reconnection and magnetic field topology. Further chapters consider specific areas of application such as magnetospheric dayside and tail reconnection, comparative reconnection in planetary systems and reconnection in astrophysical systems. The book offers insight into discussions about fundamental concepts and key aspects of MR, access to the full set of applications of MR as presently known in space physics and in astrophysics, and an introduction to a new related area of study dealing with the annihilation of quantum magnetic fluxes and its implications in the study on neutron star activity. The book is aimed primarily at students entering the field, but will also serve as a useful reference text for established scientists and senior researchers.
Y. Fujimori, Symposium Programme Committee Chair, and Faculty Member, International Space University e-mail: fujimori@isu. isunet. edu M. Rycroft, Faculty Member, International Space University e-mail: rycroft@isu. isunet. edu Building on the foundations provided by the International Space Station, now partially constructed and already in use in low Earth orbit, what will be the future directions of human spaceflight? This was the key question discussed from many viewpoints - technical, entrepreneurial, governmental, legal - at the seventh Annual Symposium held in Strasbourg, France, early in June 2002. Many ideas on the "whys" and the "hows" of our future exploration of the final frontier were put forward in a stimulating environment. The unique perspective of the International Space University (ISU) - namely an interdisciplinary, international and intercultural perspective - enhanced both the presentations and the discussions. More than 150 people attended the Symposium, including the current members of the Master of Space Studies class who are attending an 11 month course at ISU. They are young professionals and postgraduate students who develop in-depth some part of the broad Symposium theme in their parallel Team Projects. Their final reports will be completed at the end of July 2002, and will be published independently. 1 Beyond the ISS: The Future of Human Spaceflight Keynote Address: A Summary The Need for a New Vision E. Vallerani, Advanced Logistic Technology Engineering Center, The Italian Gateway to the ISS, Corso Marche 79, Torino 10146, Italy e-mail: vallerani. ernesto@spacegate-altec.
Interesting and often unexpected achievements of the mechanics of space flight throw a new light onto several classical problems. The book 's emphasis is on analysis carried out on the level of graphs and drawings, and sometimes numbers, revealing the beauty of the research process leading to the results.
Space flight is a comprehensive and innovative part of technology. It encompasses many fields of technology. This monograph presents a cross section of the total field of expertise that is called space flight . It provides insight into the design, construction and analysis aspects of spacecraft. Spacecraft includes satellites as well as launch vehicles, with a distinction between manned or unmanned. The International Space Station (ISS), Russian MIR, the American shuttle and the European Spacelab are examples of manned space flight, whereas communication satellites for radio and television and meteorological satellites are examples of unmanned space flight. The Emphasis of this book is put on unmanned space flight, particularly on the construction of spacecraft rather than the construction of launch vehicles. The nature of the satellite is dependent on the task that is set for that satellite."
As a stand-alone volume, Transistor Circuits For Spacecraft Power System presents numerous transistor circuits and building blocks associated with power electronics in general, and examines the major subsystem components for solar-based spacecraft power systems. The technique and concept, of "continuity of states" for nonlinear circuits handling power transfer under cyclic excitation is introduced in Part I and further developed throughout the book. This powerful technique employing matrix formulation bypasses eigen-transients and yields steady-state responses rapidly. Closed-loop treatments are also given for large-scale linear circuits, many closed-form solutions for control loop-gain, conducted susceptibility, output impedance, etc. are covered. Extensive mathematical procedures are retained to highlight the importance of analytical flows. The author also reviews the evolution of solar-based spacecraft power systems; introduces modes of operations: discharge (boost), shunt, and charge; and covers pulse-width-modulated (PWM) boost power converter for both DC and AC conditions. A configuration tree for shunt mode operation is conceived. Based on the configuration tree, the best topologies, sequential PWM shunt and ripple-regulated free-running shunt, are intensively examined and formulated. Transistor Circuits For Spacecraft Power System provides important information for understanding the relationship between earthbound semiconductor circuits and space borne vehicles.
This book shows how anthropology can provide an innovative perspective on the human movement into space. It examines adaptation to space on timescales of generations, rather than merely months or years, and uses evolutionary adaptation as a guiding theme. Employing the lessons of evolutionary adaptation, Principles of Extraterrestrial Anthropology recommends evolutionarily-sound strategies of space settlement, covering genetics at the organismal and population levels. The author organizes the concept of cultural adaptation to environments beyond Earth according to observed patterns in human adaptation on Earth. He uses original artwork and tables to help convey complex information in a form accessible to undergraduate and graduate students. Though primarily written to engage students interested in space settlement and exploration, who will eventually build a full anthropology of space settlement, Principles of Extraterrestrial Anthropology is engaging to anthropologists across sub-disciplines, as well as scholars interested in the human dimensions of space exploration and settlement. Just as the term exobiology was invented only a few decades ago to shape the field of space life studies, exoanthropology is outlined to assist in the perpetuation of Earth life through human space settlement.
C. T. Russell Originally published in the journal Space Science Reviews, Volume 136, Nos 1-4. DOI: 10. 1007/s11214-008-9344-1 (c) Springer Science+Business Media B. V. 2008 The Sun-Earth Connection is now an accepted fact. It has a signi cant impact on our daily lives, and its underpinnings are being pursued vigorously with missions such as the Solar TErrestrial RElations Observatory, commonly known as STEREO. This was not always so. It was not until the middle of the nineteenth century that Edward Sabine connected the 11-year geomagnetic cycle with Heinrich Schwabe's deduction of a like periodicity in the sunspot record. The clincher for many was Richard Carrington's sighting of a great whi- light are on the Sun, on September 1, 1859, followed by a great geomagnetic storm 18 hours later. But was the Sun-Earth Connection signi cant to terrestrial denizens? Perhaps in 1859 it was not, but a century later it became so. Beginning in the 1930's, as electrical powergrids grew in size, powercompanies began to realize that they occasionally had power blackouts during periods of intense geomagnetic activity. This correlation did not appear to be suf ciently signi cant to bring to the attention of the public but during the International Geophysical Year (IGY), when geomagnetic activity was being scrutinized intensely, the occurrence of a large North American power blackout during a great magnetic storm was impossible to ignore.
Spacecraft Structures and Mechanisms describes the integral process of developing cost-effective, reliable structures and mechanical products for space programs. Processes are defined, methods are described and examples are given. It has been written by 24 engineers in the space industry, who cover the themes of (1) ensuring a successful mission, and (2) reducing total cost through good designs and intelligent risk management. Topics include: Introduction and requirements (development process, requirements documentation, requirements definition, space mission environments); Analysis (statics, dynamics and load analysis, fatigue and fracture mechanics, mechanics of materials, strength analysis, heat transfer and thermal effects); Verification and quality assurance (verification planning, structural, mechanical and environmental testing, quality assurance and configuration control, compliance documentation, structural reliability analysis, verification criteria - factors of safety, margins of safety, fracture control, test options); Design (spacecraft configuration development, finite element analysis, mechanism development, designing for producibility, structural design, materials, designing to control loads, load cycles, sensitivity analysis); Final verification (model correlation, risk management, launch readiness reviews). For system engineers, mechanical designers, stress analysts, dynamics and load analysts, technical leads, program managers.
There is little doubt that robotic and automated systems in space will contribute considerably to the future commercialisation of the space environment. This text provides a systems eye view of robotic spacecraft design with an emphasis on control systems.The first half of the book introduces the techniques of robotics and robotic control, and is the most mathematical part of the book. The second half of the book deals with spacecraft systems themselves, and how a robotic-type payload influences them, including consideration of financial and legal issues which are often left out of technical texts.Running through the book is the implementation of a freeflying robotic spacecraft called ATLAS (Advanced TeLerobotic Actuation System). However, the techniques presented in the book are completely general and the ATLAS spacecraft just serves as an example, albeit a very useful and economically viable space system. |
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