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  1. Copilot Answer
    Mission typeMars rover
    OperatorNASA
    COSPAR ID2003-032A
    SATCAT no.27849
    Objectives

    The scientific objectives of the Mars Exploration Rover mission were to:
    • Search for and characterize a variety of rocks and soils that hold clues to past water activity. In particular, samples sought include tho… See more

    Mission timeline

    Opportunity and Spirit rovers were part of the Mars Exploration Rover program in the long-term Mars Exploration Program. The Mars Exploration Program's four principal goals were to determine if the potential for life exists o… See more

    Design and construction

    Opportunity (and its twin, Spirit) are six-wheeled, solar-powered robots standing 1.5 meters (4.9 ft) high, 2.3 meters (7.5 ft) wide and 1.6 meters (5.2 ft) long and weighing 180 kilograms (400 lb). Six wheels on a rocker-bogie system … See more

    Scientific findings

    Opportunity has provided substantial evidence in support of the mission's primary scientific goals: to search for and characterize a wide range of rocks and regolith that hold clues to past water activity on Mars. … See more