Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/17156
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dc.contributor.authorArvidson, Raymond Een_UK
dc.contributor.authorAshley, James Wen_UK
dc.contributor.authorBell III, James Fen_UK
dc.contributor.authorChojnacki, Matthewen_UK
dc.contributor.authorCohen, Joannaen_UK
dc.contributor.authorEconomou, Thanasis E Tomen_UK
dc.contributor.authorFarrand, William Hen_UK
dc.contributor.authorFergason, Robin Len_UK
dc.contributor.authorFleischer, Irisen_UK
dc.contributor.authorGeissler, Paulen_UK
dc.contributor.authorGellert, Ralfen_UK
dc.contributor.authorGolombek, Matthewen_UK
dc.contributor.authorGrotzinger, John Pen_UK
dc.contributor.authorGuinness, Edward Aen_UK
dc.contributor.authorSchröder, Christianen_UK
dc.date.accessioned2013-10-31T23:59:56Z-
dc.date.available2013-10-31T23:59:56Z-
dc.date.issued2011-02-08en_UK
dc.identifier.otherE00F15en_UK
dc.identifier.urihttp://hdl.handle.net/1893/17156-
dc.description.abstractOpportunity 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.en_UK
dc.language.isoenen_UK
dc.publisherAmerican Geophysical Unionen_UK
dc.relationArvidson RE, Ashley JW, Bell III JF, Chojnacki M, Cohen J, Economou TET, Farrand WH, Fergason RL, Fleischer I, Geissler P, Gellert R, Golombek M, Grotzinger JP, Guinness EA & Schröder C (2011) Opportunity Mars Rover mission: Overview and selected results from Purgatory ripple to traverses to Endeavour crater. Journal of Geophysical Research: Planets, 116 (E7), Art. No.: E00F15. https://doi.org/10.1029/2010JE003746en_UK
dc.rightsCopyright 2011 by the American Geophysical Union. AGU allows authors to deposit their journal articles if the version is the final published citable version of record, the AGU copyright statement is clearly visible on the posting, and the posting is made 6 months after official publication by the AGU.en_UK
dc.subjectMars Exploration Roveren_UK
dc.subjectMERen_UK
dc.subjectOpportunityen_UK
dc.titleOpportunity Mars Rover mission: Overview and selected results from Purgatory ripple to traverses to Endeavour crateren_UK
dc.typeJournal Articleen_UK
dc.identifier.doi10.1029/2010JE003746en_UK
dc.citation.jtitleJournal of Geophysical Research: Planetsen_UK
dc.citation.issn2169-9100en_UK
dc.citation.issn2169-9097en_UK
dc.citation.volume116en_UK
dc.citation.issueE7en_UK
dc.citation.publicationstatusPublisheden_UK
dc.citation.peerreviewedRefereeden_UK
dc.type.statusVoR - Version of Recorden_UK
dc.author.emailchristian.schroeder@stir.ac.uken_UK
dc.description.notesAdditional co-authors: RM Haberle, KE Herkenhoff, JA Herman, KD Iagnemma, BL Jolliff, JR Johnson, G Klingelhöfer, AH Knoll, AT Knudson, R Li, SM McLennan, DW Mittlefehldt, RV Morris, TJ Parker, MS Rice, LA Soderblom, SW Squyres, RJ Sullivan, MJ Wolffen_UK
dc.contributor.affiliationWashington University In Saint Louisen_UK
dc.contributor.affiliationArizona State Universityen_UK
dc.contributor.affiliationCornell Universityen_UK
dc.contributor.affiliationUniversity of Tennesseeen_UK
dc.contributor.affiliationHoneybee Roboticsen_UK
dc.contributor.affiliationUniversity of Chicagoen_UK
dc.contributor.affiliationSpace Science Instituteen_UK
dc.contributor.affiliationU.S. Geological Surveyen_UK
dc.contributor.affiliationJohannes Gutenberg University of Mainzen_UK
dc.contributor.affiliationU.S. Geological Surveyen_UK
dc.contributor.affiliationUniversity of Guelphen_UK
dc.contributor.affiliationCalifornia Institute of Technologyen_UK
dc.contributor.affiliationCalifornia Institute of Technologyen_UK
dc.contributor.affiliationWashington University In Saint Louisen_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.identifier.isiWOS:000287324400001en_UK
dc.identifier.scopusid2-s2.0-79851472832en_UK
dc.identifier.wtid670725en_UK
dc.contributor.orcid0000-0002-7935-6039en_UK
dcterms.dateAccepted2011-02-08en_UK
dc.date.filedepositdate2013-10-28en_UK
rioxxterms.typeJournal Article/Reviewen_UK
rioxxterms.versionVoRen_UK
local.rioxx.authorArvidson, Raymond E|en_UK
local.rioxx.authorAshley, James W|en_UK
local.rioxx.authorBell III, James F|en_UK
local.rioxx.authorChojnacki, Matthew|en_UK
local.rioxx.authorCohen, Joanna|en_UK
local.rioxx.authorEconomou, Thanasis E Tom|en_UK
local.rioxx.authorFarrand, William H|en_UK
local.rioxx.authorFergason, Robin L|en_UK
local.rioxx.authorFleischer, Iris|en_UK
local.rioxx.authorGeissler, Paul|en_UK
local.rioxx.authorGellert, Ralf|en_UK
local.rioxx.authorGolombek, Matthew|en_UK
local.rioxx.authorGrotzinger, John P|en_UK
local.rioxx.authorGuinness, Edward A|en_UK
local.rioxx.authorSchröder, Christian|0000-0002-7935-6039en_UK
local.rioxx.projectInternal Project|University of Stirling|https://isni.org/isni/0000000122484331en_UK
local.rioxx.freetoreaddate2013-10-28en_UK
local.rioxx.licencehttp://www.rioxx.net/licenses/all-rights-reserved|2013-10-28|en_UK
local.rioxx.filenameArvidson2011_opportunity_mars_rover_mission.pdfen_UK
local.rioxx.filecount1en_UK
local.rioxx.source2169-9097en_UK
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