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Author:
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ISBN:
Category : Human capital
Languages : en
Pages :
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Author:
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ISBN:
Category : Human capital
Languages : en
Pages :
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Author: Bradley L. Jolliff
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 1501509535
Category : Science
Languages : en
Pages : 756
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Volume 60 of Reviews in Mineralogy and Geochemistry assesses the current state of knowledge of lunar geoscience, given the data sets provided by missions of the 1990's, and lists remaining key questions as well as new ones for future exploration to address. It documents how a planet or moon other than the world on which we live can be studied and understood in light of integrated suites of specific kinds of information. The Moon is the only body other than Earth for which we have material samples of known geologic context for study. This volume seeks to show how the different kinds of information gained about the Moon relate to each other and also to learn from this experience, thus allowing more efficient planning for the exploration of other worlds.
Author: Asif A. Siddiqi
Publisher: National Aeronautis & Space Administration
ISBN:
Category : Planets
Languages : en
Pages : 396
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This is a completely updated and revised version of a monograph published in 2002 by the NASA History Office under the original title Deep Space Chronicle: A Chronology of Deep Space and Planetary Probes, 1958-2000. This new edition not only adds all events in robotic deep space exploration after 2000 and up to the end of 2016, but it also completely corrects and updates all accounts of missions from 1958 to 2000--Provided by publisher.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309069823
Category : Science
Languages : en
Pages : 104
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Remote observations of Earth from space serve an extraordinarily broad range of purposes, resulting in extraordinary demands on those at the National Aeronautics and Space Administration (NASA), the National Oceanic and Atmospheric Administration (NOAA), and elsewhere who must decide how to execute them. In research, Earth observations promise large volumes of data to a variety of disciplines with differing needs for measurement type, simultaneity, continuity, and long-term instrument stability. Operational needs, such as weather forecasting, add a distinct set of requirements for continual and highly reliable monitoring of global conditions. The Role of Small Satellites in NASA and NOAA Earth Observation Programs confronts these diverse requirements and assesses how they might be met by small satellites. In the past, the preferred architecture for most NASA and NOAA missions was a single large spacecraft platform containing a sophisticated suite of instruments. But the recognition in other areas of space research that cost-effectiveness, flexibility, and robustness may be enhanced by using small spacecraft has raised questions about this philosophy of Earth observation. For example, NASA has already abandoned its original plan for a follow-on series of major platforms in its Earth Observing System. This study finds that small spacecraft can play an important role in Earth observation programs, providing to this field some of the expected benefits that are normally associated with such programs, such as rapid development and lower individual mission cost. It also identifies some of the programmatic and technical challenges associated with a mission composed of small spacecraft, as well as reasons why more traditional, larger platforms might still be preferred. The reasonable conclusion is that a systems-level examination is required to determine the optimum architecture for a given scientific and/or operational objective. The implied new challenge is for NASA and NOAA to find intra- and interagency planning mechanisms that can achieve the most appropriate and cost-effective balance among their various requirements.
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Category : Agriculture
Languages : en
Pages : 744
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Category : Books
Languages : en
Pages : 576
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Every 3rd issue is a quarterly cumulation.
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Category : Agriculture
Languages : en
Pages : 738
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Category : Audiotapes
Languages : en
Pages : 1134
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ISBN:
Category :
Languages : en
Pages : 692
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Author: Nancy Ann Budden
Publisher:
ISBN:
Category : Mars (Planet)
Languages : en
Pages : 262
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