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Author: Oscar L. Colombo
Publisher: Springer Science & Business Media
ISBN: 1461392551
Category : Science
Languages : en
Pages : 353
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Book Description
Precise and continuous tracking with multi-satellite systems of aircraft andlow flying satellites, accurate airborne measurement of gravity and gravity gradients, and satellite gradiometry have fundamentally changed our view on the de- termination of the Earth's gravity field. The papers in this volume describe these techniques in detail. The ideas are presentedas complementary, and are used to develop new theoretical concepts of gravity field analysis. Computatio- nal models using these techniques are also discussed and are tested in simulations. The papers presented in this volume are the result of an IAG symposium held during the XX General Assembly of the Inter- national Union of Geodesy and Geophysics in Vienna, Austria, August 11-24, 1991.
Author: Oscar L. Colombo
Publisher: Springer Science & Business Media
ISBN: 1461392551
Category : Science
Languages : en
Pages : 353
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Book Description
Precise and continuous tracking with multi-satellite systems of aircraft andlow flying satellites, accurate airborne measurement of gravity and gravity gradients, and satellite gradiometry have fundamentally changed our view on the de- termination of the Earth's gravity field. The papers in this volume describe these techniques in detail. The ideas are presentedas complementary, and are used to develop new theoretical concepts of gravity field analysis. Computatio- nal models using these techniques are also discussed and are tested in simulations. The papers presented in this volume are the result of an IAG symposium held during the XX General Assembly of the Inter- national Union of Geodesy and Geophysics in Vienna, Austria, August 11-24, 1991.
Author: Oscar L. Colombo
Publisher:
ISBN: 9783540978572
Category :
Languages : en
Pages :
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Book Description
Author: Elizabeth Howell
Publisher: Simon and Schuster
ISBN: 1950691667
Category : Science
Languages : en
Pages : 400
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Book Description
With a focus of the Perseverance rover mission, here is the "Quintessential account of one of humanity’s most intriguing quests" (Pail Halpern, Medium), "A remarkable, timely, and up-to-date account of Mars exploration" (Leonard David, "Space Insider," Space.com). From The War of the Worlds to The Martian and to the amazing photographs sent back by the robotic rovers Curiosity and Opportunity, Mars has excited our imaginations as the most likely other habitat for life in the solar system. Now the Red Planet is coming under scrutiny as never before. As new missions are scheduled to launch this year from the United States and China, and with the European Space Agency's ExoMars mission now scheduled for 2022, this book recounts in full the greatest scientific detective story ever. For the first time in forty years, the missions heading to Mars will look for signs of ancient life on the world next door. It is the latest chapter in an age‑old quest that encompasses myth, false starts, red herrings, and bizarre coincidences—as well as triumphs and heartbreaking failures. This book, by two journalists with deep experience covering space exploration, is the definitive story of how life's discovery has eluded us to date, and how it will be found somewhere and sometime this century. The Search for Life on Mars is based on more than a hundred interviews with experts at NASA’s Jet Propulsion Laboratory and elsewhere, who share their insights and stories. While it looks back to the early Mars missions such as Viking 1 and 2, the book's focus is on the experiments and revelations from the most recent ones—including Curiosity, which continues to explore potentially habitable sites where water was once present, and the Mars Insight lander, which has recorded more than 450 marsquakes since its deployment in late 2018—as well as on the Perseverance and ExoMars rover missions ahead. And the book looks forward to the newest, most exciting frontier of all: the day, not too far away, when humans will land, make the Red Planet their home, and look for life directly.
Author: Shuanggen Jin
Publisher: Springer
ISBN: 3319398202
Category : Science
Languages : en
Pages : 224
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Book Description
This volume contains the proceedings of 24 peer-reviewed papers presented at the 3rd International Gravity Field Service (IGFS) General Assembly, which was organized by the International Gravity Field Service (IGFS), Commission 2 of the International Association of Geodesy (IAG), and Shanghai Astronomical Observatory (SHAO), Chinese Academy of Sciences. The Assembly was successfully held in Shanghai, China from June 30th to July 6th, 2014 with over 130 participants from 25 countries. The focus of the Assembly is on methods for observing, estimating and interpreting the Earth gravity field as well as its applications, including 6 sessions: gravimetry and gravity networks, global geopotential models and vertical datum unification, local geoid/gravity modelling, satellite gravimetry, mass movements in the Earth system and solid Earth investigations.
Author: Stuart Clark
Publisher: Bloomsbury Publishing
ISBN: 180110929X
Category : Science
Languages : en
Pages : 1594
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Book Description
From myth to Musk, astrology to astronomy, Dr Stuark Clark selects the very best writing about the Red Planet. From its very first sighting, Mars has been a source of fascination for humanity. Named for the Roman god of war, this red planet has been explored more than any other beyond Earth and continues to occupy a distinctive place in our imagination. It's an environment that may even foster life. In The Book of Mars, Dr Stuart Clark selects one hundred pieces of writing about the planet. It is a collection that brings together fact and fiction, dreams and fears, centuries of observation and more recent feats of interstellar exploration. From classic writers of science fiction – Stanley G. Weinbaum, Arthur C. Clarke, H.G. Wells, Ray Bradbury, Pamela Sargent, Roger Zelazny – to distinguished experts in astronomy, astrobiology and aerospace engineering; from Hugo and Nebula Award-winning authors – Kim Stanley Robinson, Mary Robinette Kowal – to trail-blazing journalists and science communicators; from Andy Weir's The Martian to Elon Musk's SpaceX programme, The Book of Mars is an extraordinary overview both of the Red Planet and of the way scientific investigation diffuses into culture.
Author: Jozsef Adam
Publisher: Springer Science & Business Media
ISBN: 3662047098
Category : Science
Languages : en
Pages : 631
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Book Description
It was in September 1906 that the predecessor of the IAG, the 'Internationale Erdmessung', th organized the 15 General Assembly at the Hungarian Academy of Sciences in Budapest. It was 95 years later, in September 2001, that the IAG returned to this beautiful city to hold its Scientific Assembly, IAG 2001, in the historical premises of the Academy. The meeting took place from September 2-7, 2001 and continued the tradition of Scientific Assemblies, started in Tokyo (1982) and continued in Edinburgh (1989), Beijing (1993) and Rio de Janeiro (1997). Held every four years at the midpoint between General Assemblies of the IAG, they focus on giving an integrated view of geodesy to a broad spectrum of researchers and practitioners in geodesy and geophysics. The convenient location of the main building of the Hungarian Academy in downtown Budapest and the superb efforts of the Local Organizing Committee contributed in a major way to the excellent atmosphere of the meeting. As at previous meetings, the scientific part of the program was organized as a series of symposia which, as a whole, gave a broad overview of actual geodetic research activities. To emphasize an integrated view of geodesy, the symposia did not follow the pattern of the IAG Sections, but focussed on current research topics to which several IAG Sections could contribute. Each symposium had 5 sessions with presented papers and poster sessions on two consecutive days.
Author:
Publisher: Museum Tusculanum Press
ISBN: 9788763512558
Category :
Languages : en
Pages : 168
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Book Description
Author: Michael G. Sideris
Publisher: Springer Science & Business Media
ISBN: 3662048272
Category : Science
Languages : en
Pages : 395
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Book Description
This symposium continued the tradition of mid-term meetings held between the joint symposia of International Geoid and Gravity Commissions. This time, geodynamics was chosen as the third topic to accompany the traditional topics of gravity and geoid. The symposium thus aimed at bringing together geodesists and geophysicists working in the general areas of gravity, geoid and geodynamics. Besides covering the traditional research areas, special attention was paid to the use of geodetic methods for geodynamics studies, dedicated satellite missions, airborne surveys, geodesy and geodynamics of arctic regions, and the integration of geodetic and geophysical information.
Author: Robert Crossley
Publisher: Wesleyan University Press
ISBN: 0819571059
Category : Literary Criticism
Languages : en
Pages : 386
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Book Description
Mars in the human imagination from the invention of the telescope to the present For centuries, the planet Mars has captivated astronomers and inspired writers of all genres. Whether imagined as the symbol of the bloody god of war, the cradle of an alien species, or a possible new home for human civilization, our closest planetary neighbor has played a central role in how we think about ourselves in the universe. From Galileo to Kim Stanley Robinson, Robert Crossley traces the history of our fascination with the red planet as it has evolved in literature both fictional and scientific. Crossley focuses specifically on the interplay between scientific discovery and literary invention, exploring how writers throughout the ages have tried to assimilate or resist new planetary knowledge. Covering texts from the 1600s to the present, from the obscure to the classic, Crossley shows how writing about Mars has reflected the desires and social controversies of each era. This astute and elegant study is perfect for science fiction fans and readers of popular science.
Author: Hans Sünkel
Publisher: Springer Science & Business Media
ISBN: 3642797210
Category : Science
Languages : en
Pages : 658
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Book Description
Recognizing the increasing importance of the role of gravity and the geoid, and con sidering the substantial synergistic effects which result from close cooperation, the International Gravity Commission and the International Geoid Commission, both scientific bodies of the International Association of Geodesy, decided to hold a Joint Meeting under the common topic "Gravity and Geoid" in Graz, Austria, from Sept. 11 - 17, 1994. The earth's gravity field is increasingly attracting the attention of the geosciences for many reasons. As a response of the earth's internal mass distribution, it significantly helps us to understand the structure of the earth and its dynamics. On the other hand, the earth's gravity field controls the orbits of satellites and is of paramount im portance for accurate orbit prediction'. For geodesy the geoid, representing the gravity field, serves as a unique height reference surface. It is the link between satellite-derived positions and useful geodetic coordinates of utmost precision. For oceanography, the offset of the dynamic ocean surface from the geoid is the signal which bears important information about ocean circulation patterns.
