Opportunity Studying a Football-Field Size Crater
NASA's Mars Exploration Rover Opportunity will spend a few weeks investigating a football-field-size crater informally named 'Santa Maria.'
Source: http://www.jpl.nasa.gov/news/news.cfm?release=2010-430&rn=news.xml&rs... "> http://www.jpl.nasa.gov/news/news.cfm?release=2010-430&rn=news.xml&rst=2862
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