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Sökning: onr:"swepub:oai:DiVA.org:hh-20733" > Opportunity Mars Ro...

Opportunity Mars Rover mission : Overview and selected results from Purgatory ripple to traverses to Endeavour crater

Arvidson, R. E. (författare)
Department of Earth and Planetary Sciences, Washington University, St. Louis, MO 63130, United States
Ashley, J. W. (författare)
School of Earth and Space Exploration, Mars Space Flight Facility, Arizona State University, Tempe, AZ 85287, United States
Bell III, J. F. (författare)
Department of Astronomy, Cornell University, Ithaca, NY 14853, United States
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Chojnacki, M. (författare)
Planetary Geosciences Institute, Department of Earth and Planetary Sciences, University of Tennessee, Knoxville, TN 37996, United States
Cohen, J. (författare)
Honeybee Robotics Spacecraft Mechanisms Corporation, 460 W. 34th St., New York, NY 10001, United States
Economou, T. E. (författare)
Laboratory for Astrophysics and Space Research, Enrico Fermi Institute, University of Chicago, Chicago, IL 60637, United States
Farrand, W. H. (författare)
Space Science Institute, 4750 Walnut St., Boulder, CO 80301, United States
Fergason, R. (författare)
U.S. Geological Survey, 2255 N. Gemini Dr., Flagstaff, AZ 86001, United States
Fleischer, I. (författare)
Institut für Anorganische und Analytische Chemie, Johannes Gutenberg-Universität, D-55099 Mainz, Germany
Geissler, P. (författare)
U.S. Geological Survey, 2255 N. Gemini Dr., Flagstaff, AZ 86001, United States
Gellert, R. (författare)
Department of Physics, University of Guelph, Guelph, ON N1G 2W1, Canada
Golombek, M. P. (författare)
Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr., Pasadena, CA 91109, United States
Grotzinger, J. P. (författare)
Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, United States
Guinness, E. A. (författare)
Department of Earth and Planetary Sciences, Washington University, St. Louis, MO 63130, United States
Haberle, R. M. (författare)
NASA Ames Research Center, Moffett Field, CA 94035, United States
Herkenhoff, K. E. (författare)
U.S. Geological Survey, 2255 N. Gemini Dr., Flagstaff, AZ 86001, United States
Herman, J. A. (författare)
Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr., Pasadena, CA 91109, United States
Iagnemma, Karl (författare)
MIT, USA
Jolliff, B. L. (författare)
Department of Earth and Planetary Sciences, Washington University, St. Louis, MO 63130, United States
Johnson, J. R. (författare)
U.S. Geological Survey, 2255 N. Gemini Dr., Flagstaff, AZ 86001, United States
Klingelhöfer, G. (författare)
Institut für Anorganische und Analytische Chemie, Johannes Gutenberg-Universität, D-55099 Mainz, Germany
Knoll, A. H. (författare)
Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, United States
Knudson, A. T. (författare)
Planetary Science Institute, 1700 East Fort Lowell, Tucson, AZ 85719, United States
Li, R. (författare)
Department of Civil and Environmental Engineering and Geodetic Science, Ohio State University, Columbus, OH 43210, United States
McLennan, S. M. (författare)
Department of Geosciences, State University of New York at Stony Brook, Stony Brook, NY 11794, United States
Mittlefehldt, D. W. (författare)
NASA Johnson Space Center, Houston, TX 77058, United States
Morris, R. V. (författare)
NASA Johnson Space Center, Houston, TX 77058, United States
Parker, T. J. (författare)
Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr., Pasadena, CA 91109, United States
Rice, M. S. (författare)
Department of Astronomy, Cornell University, Ithaca, NY 14853, United States
Schröder, C. (författare)
Department of Hydrology, University of Bayreuth, Bayreuth, Germany
Soderblom, L. A. (författare)
U.S. Geological Survey, 2255 N. Gemini Dr., Flagstaff, AZ 86001, United States
Squyres, S. W. (författare)
Department of Astronomy, Cornell University, Ithaca, NY 14853, United States
Sullivan, R. J. (författare)
Department of Astronomy, Cornell University, Ithaca, NY 14853, United States
Wolff, M. J. (författare)
Space Science Institute, 4750 Walnut St., Boulder, CO 80301, United States
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Department of Earth and Planetary Sciences, Washington University, St Louis, MO 63130, United States School of Earth and Space Exploration, Mars Space Flight Facility, Arizona State University, Tempe, AZ 85287, United States (creator_code:org_t)
Hoboken : Wiley-Blackwell, 2011
2011
Engelska.
Ingår i: Journal of Geophysical Research. - Hoboken : Wiley-Blackwell. - 0148-0227 .- 2156-2202. ; 116, s. E00F15-
Relaterad länk:
https://urn.kb.se/re...
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https://doi.org/10.1...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • Opportunity has been traversing the Meridiani plains since 25 January 2004 (sol 1), acquiring numerous observations of the atmosphere, soils, and rocks. This paper provides an overview of key discoveries between sols 511 and 2300, complementing earlier papers covering results from the initial phases of the mission. Key new results include (1) atmospheric argon measurements that demonstrate the importance of atmospheric transport to and from the winter carbon dioxide polar ice caps; (2) observations showing that aeolian ripples covering the plains were generated by easterly winds during an epoch with enhanced Hadley cell circulation; (3) the discovery and characterization of cobbles and boulders that include iron and stony-iron meteorites and Martian impact ejecta; (4) measurements of wall rock strata within Erebus and Victoria craters that provide compelling evidence of formation by aeolian sand deposition, with local reworking within ephemeral lakes; (5) determination that the stratigraphy exposed in the walls of Victoria and Endurance craters show an enrichment of chlorine and depletion of magnesium and sulfur with increasing depth. This result implies that regional-scale aqueous alteration took place before formation of these craters. Most recently, Opportunity has been traversing toward the ancient Endeavour crater. Orbital data show that clay minerals are exposed on its rim. Hydrated sulfate minerals are exposed in plains rocks adjacent to the rim, unlike the surfaces of plains outcrops observed thus far by Opportunity. With continued mechanical health, Opportunity will reach terrains on and around Endeavour's rim that will be markedly different from anything examined to date. Copyright 2011 by the American Geophysical Union.

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