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dc.contributor.authorUniversity of Arizona. Water Resources Research Center.
dc.date.accessioned2014-05-14T00:32:51Z
dc.date.available2014-05-14T00:32:51Z
dc.date.issued2004-01
dc.identifier.urihttp://hdl.handle.net/10150/316933
dc.description.abstractThe quest to discover signs of water on Mars continues, with Opportunity, one of the two Mars Exploration Rovers, sending back images of the planet soil. At bottom left of the photo at right is a magnified look at martian soil showing spherical pebbles among the mix of particles. One of the explanations to account for the pebbles' round shape is accretion under water. A mineral map of Opportunity's surroundings offered a more significant sign of water. It indicated concentrations of a coarse-grained hematite. Hematite usually forms in association with liquid water.
dc.language.isoen_USen
dc.publisherWater Resources Research Center, College of Agriculture, University of Arizona (Tucson, AZ)en_US
dc.relation.urlhttps://wrrc.arizona.edu/publications/awren_US
dc.rightsCopyright © Arizona Board of Regents. The University of Arizona.en_US
dc.sourceWater Resources Research Center. The University of Arizona.en_US
dc.subjectArid regions -- Research -- Arizona.en_US
dc.subjectWater resources development -- Research -- Arizona.en_US
dc.subjectWater resources development -- Arizona.en_US
dc.subjectWater-supply -- Arizona.en_US
dc.titleArizona Water Resource Vol. 12 No. 4 (January-February 2004)en_US
dc.description.collectioninformationThis item is part of the Water Resources Research Center collection. For more information, please contact the Center, (520) 621-9591 or see http://wrrc.arizona.edu.en_US
refterms.dateFOA2018-06-16T18:29:23Z
html.description.abstractThe quest to discover signs of water on Mars continues, with Opportunity, one of the two Mars Exploration Rovers, sending back images of the planet soil. At bottom left of the photo at right is a magnified look at martian soil showing spherical pebbles among the mix of particles. One of the explanations to account for the pebbles' round shape is accretion under water. A mineral map of Opportunity's surroundings offered a more significant sign of water. It indicated concentrations of a coarse-grained hematite. Hematite usually forms in association with liquid water.


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