Mathematics – Logic
Scientific paper
Jul 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000came.work....6a&link_type=abstract
Concepts and Approaches for Mars Exploration, p. 6
Mathematics
Logic
Mars Exploration, Mission Planning, Mars Missions, Soil Sampling, Water Sampling, Stratigraphy, Roving Vehicles, Mars Surface
Scientific paper
During the joint Mars Exploration Program and Analysis Group / Mars Architecture Review Group session in February 2000, the Resources Sub-group met and generated a 20-year plan for Mars exploration. The plan focused on meeting the following goals by the year 2020: 1) Determine stratigraphic and structural nature of major crustal units and their spatial/temporal evolution and implications for the generation and preservation of organic and biologic materials; 2) Determine nature and timing of the internal dynamo and resultant magnetic field, including impact on surface habitats associated with field demise; 3) Determine nature, extent, and accessibility of water reservoirs on a global scale and implications for the origin and evolution of life; and 4) Demonstrate and employ resource utilization technologies to enable missions and mission activities, focusing on in-situ fuel generation from atmosphere and water reservoirs. To meet the goals the following specific objectives were defined for the current decade, an era that might be termed The Decade of Surface Exploration: 1) Characterize major crustal units in detail through orbiting missions (MGS Extended Mission, Mars 2001 Orbiter with THEMIS and GRS/HEND, Mars Express), in-situ observations (Mars 2003 rover, Beagle Lander), and collection and initial analyses of returned samples; 2) Add to the existing and planned measurements high spatial resolution (30 to 100 m/pixel) IR imaging spectroscopy of key terrains selectable on a global basis because of the importance for rock and soil characterization and resource inventory; 3) Continue characterization of interior structure and dynamics (MGS Extended Mission, Netlanders, other orbiters); and 4) Conduct demonstrations of extraction and utilization of key resources on landers. For the period from 2010 to 2020, The Decade of Subsurface Exploration, the following specific objectives were identified: 1) Determine remanent magnetic crustal fields globally at high spatial resolution from orbiter. When combined with crustal history, structure and dynamics of interior, infer nature and timing of dynamo and internal field and implications for surface habitats; 2) Characterize shallow subsurface regolith/crustal structure, stratigraphy, and resources globally, including accessible water reservoirs using geophysical techniques from orbit, air, and surface; 3) Determine nature, depth, and extent of water reservoirs in detail for key sites using in-situ geophysical surveys; 4) Continue surface sample returns. First returns only begin the process of characterizing the diverse geology, climate history, and implications for life on Mars; 5) Continue experiments in extraction and utilization of key resources, focusing on in-situ fuel generation from atmosphere and water reservoirs. Ensure that experiments support implementation of architecture; 6) Drill to aquifer in at least one site, acquire samples of water, ice, rock, measure properties and return subset of samples to Earth. These ideas may serve as a focus for discussion at the workshop and a basis for the addition and/or re-prioritization of objectives, based on the incorporation of additional discipline-oriented perspectives such as climatology.
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