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Author: John Bloom Publisher: Open Road + Grove/Atlantic ISBN: 0802192823 Category : Technology & Engineering Languages : en Pages : 604
Book Description
“Good corporate drama . . . an enlightening narrative of how new communications infrastructures often come about.” —The Economist, “A Book of the Year 2016” In the early 1990s, Motorola developed a revolutionary satellite system called Iridium that promised to be its crowning achievement. Its constellation of 66 satellites in polar orbit was a mind-boggling technical accomplishment, surely the future of communication. The only problem was that Iridium the company was a commercial disaster. Only months after launching service, it was $11 billion in debt, burning through $100 million a month and crippled by baroque rate plans and agreements that forced calls through Moscow, Beijing, Fucino, Italy, and elsewhere. Bankruptcy was inevitable—the largest to that point in American history. And when no real buyers seemed to materialize, it looked like Iridium would go down as just a “science experiment.” That is, until Dan Colussy got a wild idea. Colussy, a former head of Pan-Am now retired and working on his golf game in Palm Beach, heard about Motorola’s plans to “de-orbit” the system and decided he would buy Iridium and somehow turn around one of the biggest blunders in the history of business. Impeccably researched and wonderfully told, Eccentric Orbits is a rollicking, unforgettable tale of technological achievement, business failure, the military-industrial complex, and one of the greatest deals of all time. “Deep reporting put forward with epic intentions . . . a story that soars and jumps and dives and digresses . . . [A] big, gutsy, exciting book.” —The Wall Street Journal, “A Top 10 Nonfiction Book of 2016” “Spellbinding . . . A tireless researcher, Bloom delivers a superlative history . . . A tour de force.” —Kirkus Reviews (starred review)
Author: John Bloom Publisher: Open Road + Grove/Atlantic ISBN: 0802192823 Category : Technology & Engineering Languages : en Pages : 604
Book Description
“Good corporate drama . . . an enlightening narrative of how new communications infrastructures often come about.” —The Economist, “A Book of the Year 2016” In the early 1990s, Motorola developed a revolutionary satellite system called Iridium that promised to be its crowning achievement. Its constellation of 66 satellites in polar orbit was a mind-boggling technical accomplishment, surely the future of communication. The only problem was that Iridium the company was a commercial disaster. Only months after launching service, it was $11 billion in debt, burning through $100 million a month and crippled by baroque rate plans and agreements that forced calls through Moscow, Beijing, Fucino, Italy, and elsewhere. Bankruptcy was inevitable—the largest to that point in American history. And when no real buyers seemed to materialize, it looked like Iridium would go down as just a “science experiment.” That is, until Dan Colussy got a wild idea. Colussy, a former head of Pan-Am now retired and working on his golf game in Palm Beach, heard about Motorola’s plans to “de-orbit” the system and decided he would buy Iridium and somehow turn around one of the biggest blunders in the history of business. Impeccably researched and wonderfully told, Eccentric Orbits is a rollicking, unforgettable tale of technological achievement, business failure, the military-industrial complex, and one of the greatest deals of all time. “Deep reporting put forward with epic intentions . . . a story that soars and jumps and dives and digresses . . . [A] big, gutsy, exciting book.” —The Wall Street Journal, “A Top 10 Nonfiction Book of 2016” “Spellbinding . . . A tireless researcher, Bloom delivers a superlative history . . . A tour de force.” —Kirkus Reviews (starred review)
Author: Patrick Chiles Publisher: Baen Books ISBN: 198212430X Category : Fiction Languages : en Pages : 379
Book Description
THE BEGINNING OF LIFE AWAITS AT THE END OF THE SOLAR SYSTEM. A FROZEN ANSWER AT THE EDGE OF PLANETARY SPACE Set to embark on NASA’s first expedition to the outer planets, the crew of the spacecraft Magellan learns someone else has beaten them by a few decades: a top-secret Soviet project codenamed Arkangel. Now during their long race to the Kuiper Belt, astronauts Jack Templeton and Traci Keene must unwind a decades-old mystery buried in the pages of a dead cosmonaut’s journal. The solution will challenge their beliefs about the nature of humanity, and will force the astronauts to confront the question of existence itself. And the final answer lies at the edge of the Solar System, waiting to change everything. At the publisher's request, this title is sold without DRM (Digital Rights Management). About Farside by Patrick Chiles: "The situations are realistic, the characters interesting, the perils harrowing, and the stakes could not be higher...The story is one of problem solving, adventure, survival, improvisation, and includes one of the most unusual episodes of space combat in all of science fiction. It would make a terrific movie."— John Walker, Ricochet.com "...a fast-paced and exciting story which bounces between the borders of technological thriller and science fiction...Farside is an impressive effort."—Mark Lardas, The Galveston County Daily News
Author: S. Tirró Publisher: Springer Science & Business Media ISBN: 9780306441479 Category : Computers Languages : en Pages : 880
Book Description
Writing a comprehensive book on satellite communications requires the com mand of many technical disciplines and the availability of up-to-date information on international recommendations, system architectures, and equipment stand ards. It is therefore necessary to involve many authors, each possessing a good level of knowledge in a particular discipline. The problem of using a coherent and unambiguous set of definitions and basic terms has been solved by including in the book all the background information needed for understanding satellite communication systems, without any major reference to other textbooks specializing in particular disciplines. The obvious consequence of this approach has been the large size of the book, with the advantages, however, of practically complete independence from other books, more systematic discussion of the subject matter, and better readability. After the required background information, emphasis has been placed on the discussion of techniques and system design criteria rather than on specific equipment implementation or description of particular systems. The book may be divided in five parts as follows: • The first five chapters provide most of the required background information. • Chapter 6 is an introductory outline of satellite communication systems. • Chapters 7 to 13 deal with the various aspects of technical system design. • Chapter 14 discusses system economics. • Chapter 15 provides a brief insight into some foreseeable future develop ments of satellite communications.
Author: Jean-Louis Tassoul Publisher: Cambridge University Press ISBN: 1139428322 Category : Science Languages : en Pages : 274
Book Description
Like the Earth and planets, stars rotate. Understanding how stars rotate is central to modelling their structure, formation and evolution, and how they interact with their environment and companion stars. This authoritative volume, first published in 2000, provides a lucid introduction to stellar rotation and the definitive reference to the subject. It combines theory and observation in a comprehensive survey of how the rotation of stars affects the structure and evolution of the Sun, single stars and close binaries. This book will be of primary interest to graduate students and researchers studying solar and stellar rotation and close binary systems. It will also appeal to those with a more general interest in solar and stellar physics, star formation, binary stars and the hydrodynamics of rotating fluids - including geophysicists, planetary scientists and plasma physicists.
Author: Howard D Curtis Publisher: Elsevier ISBN: 0080887848 Category : Technology & Engineering Languages : en Pages : 744
Book Description
Orbital Mechanics for Engineering Students, Second Edition, provides an introduction to the basic concepts of space mechanics. These include vector kinematics in three dimensions; Newton’s laws of motion and gravitation; relative motion; the vector-based solution of the classical two-body problem; derivation of Kepler’s equations; orbits in three dimensions; preliminary orbit determination; and orbital maneuvers. The book also covers relative motion and the two-impulse rendezvous problem; interplanetary mission design using patched conics; rigid-body dynamics used to characterize the attitude of a space vehicle; satellite attitude dynamics; and the characteristics and design of multi-stage launch vehicles. Each chapter begins with an outline of key concepts and concludes with problems that are based on the material covered. This text is written for undergraduates who are studying orbital mechanics for the first time and have completed courses in physics, dynamics, and mathematics, including differential equations and applied linear algebra. Graduate students, researchers, and experienced practitioners will also find useful review materials in the book. NEW: Reorganized and improved discusions of coordinate systems, new discussion on perturbations and quarternions NEW: Increased coverage of attitude dynamics, including new Matlab algorithms and examples in chapter 10 New examples and homework problems
Author: Valerio Bozza Publisher: Springer ISBN: 3319274589 Category : Science Languages : en Pages : 252
Book Description
In this book, renowned scientists describe the various techniques used to detect and characterize extrasolar planets, or exoplanets, with a view to unveiling the “tricks of the trade” of planet detection to a wider community. The radial velocity method, transit method, microlensing method, and direct imaging method are all clearly explained, drawing attention to their advantages and limitations and highlighting the complementary roles that they can play in improving the characterization of exoplanets’ physical and orbital properties. By probing the planetary frequency at different distances and in different conditions, these techniques are helping astrophysicists to reconstruct the scenarios of planetary formation and to give robust scientific answers to questions regarding the frequency of potentially habitable worlds. Twenty years have passed since the discovery of a Jupiter-mass companion to a main sequence star other than the Sun, heralding the birth of extrasolar planetary research; this book fully conveys the exciting progress that has been achieved during the intervening period.
Author: Antoine Duquennoy Publisher: Cambridge University Press ISBN: 9780521433587 Category : Mathematics Languages : en Pages : 306
Book Description
More than two-thirds of stars belong to multiple stellar systems. Binary stars are considered now as one of the best constraints on stellar formation models. Not only do binaries keep memory of their birth conditions but their orbit will also be subjected to changes by tidal effects, wind accretion and encounters in clusters. Certainly the correlation between orbital eccentricity and period is a clue to our understanding of double star history. These proceedings aim to disentangle evidence of stellar formation from later physical evolution. Each article in this 1992 volume is a paper that was read at a meeting organized to honour Dr Roger Griffin of the University of Cambridge for his pioneer work in galactic astronomy, dynamics of clusters and study on binary stars due to his cross-correlation technique to determine stellar radial velocities.
Author: Patrick Chiles Publisher: Baen Books ISBN: 1625798113 Category : Fiction Languages : en Pages : 431
Book Description
Marshall Hunter only wanted to fly: the faster, the higher, the better. But a life of rescuing wayward spacefarers and derelict satellites in the cislunar cruiser U.S.S. Borman is far from the adventure he’d imagined. But his fortunes change when a billionaire couple goes missing on their way to a near-Earth asteroid. Out of contact and on a course that will eventually send them crashing into Mars, the nuclear-powered Borman is dispatched on an audacious, high-speed interplanetary run to bring the couple home. As they approach the asteroid, however, the Borman itself becomes hopelessly disabled. With the Borman suddenly out of commission and far beyond reach, cislunar space begins falling into chaos as critical satellites fail and valuable lunar mineral shipments begin disappearing in transit. Nothing is as it seems, and Marshall Hunter and the rest of the crew suspect none of it is by coincidence. At the publisher's request, this title is sold without DRM (Digital Rights Management). About Frozen Orbit: “. . . hard science fiction and an entertaining and gripping plot. . . . Chiles nails the atmosphere of a NASA-run human spaceflight mission in the 21st century, the jargon of the mission controllers and astronauts, and the bureaucratic infighting characterizing today’s NASA. . . . The scenario and background . . . are the scaffolding on which a gripping tale is formed. Readers experience the wonder the astronauts feel on a remarkable voyage, groan as the Earth goes crazy as the expedition progresses, and thrill to a powerful conclusion . . . science fiction at its best.”—The Galveston County Daily News About Farside by Patrick Chiles: “The situations are realistic, the characters interesting, the perils harrowing, and the stakes could not be higher."— John Walker, Ricochet.com “. . . a fast-paced and exciting story that bounces between the borders of technological thriller and science fiction. . . . an impressive effort."—The Galveston County Daily News
Author: Paul Ramond Publisher: Springer Nature ISBN: 3031179641 Category : Science Languages : en Pages : 408
Book Description
The thesis tackles two distinct problems of great interest in gravitational mechanics — one relativistic and one Newtonian. The relativistic one is concerned with the "first law of binary mechanics", a remarkably simple variational relation that plays a crucial role in the modern understanding of the gravitational two-body problem, thereby contributing to the effort to detect gravitational-wave signals from binary systems of black holes and neutron stars. The work reported in the thesis provides a mathematically elegant extension of previous results to compact objects that carry spin angular momentum and quadrupolar deformations, which more accurately represent astrophysical bodies than mere point particles. The Newtonian problem is concerned with the isochrone problem of celestial mechanics, namely the determination of the set of radial potentials whose bounded orbits have a radial period independent of the angular momentum. The thesis solves this problem completely in a geometrical way and explores its consequence on a variety of levels, in particular with a complete characterisation of isochrone orbits. The thesis is exceptional in the breadth of its scope and achievements. It is clearly and eloquently written, makes excellent use of images, provides careful explanations of the concepts and calculations, and it conveys the author’s personality in a way that is rare in scientific writing, while never sacrificing academic rigor.
Author: John Bloom
Author: John Bloom
Author: Patrick Chiles
Author: S. Tirró
Author: H. G. Rush
Author: Jean-Louis Tassoul
Author: Howard D Curtis
Author: Valerio Bozza
Author: Antoine Duquennoy
Author: Patrick Chiles
Author: Paul Ramond