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NASA's Mars Exploration Rover Opportunity is poised to reach the rim of a large crater, beginning a new phase of research for the rover.
When NASA's Mars Exploration Rover Opportunity reaches the rim of a large crater it is approaching, its arrival will come with an inspiring reminder.
NASA said on Tuesday that it is calling it quits on trying to revive its Mars rover Spirit.
NASA's Spirit rover found a new class of water-affected rock, while its twin, Opportunity, finished inspecting its own heat shield and set a new martian driving record. The rovers successfully completed their three-month primary missions in April 2004 and are working on extended exploration missions.