4 jul 1997 año - First Martian Landing - consisted of a lander and Sojourner (the rover) - ended November 4, 1997 after great success and public interest - second mission in NASA's low-cost Discovery series - "The mission's primary objective was to demonstrate the feasibility of low-cost landings on the Martian surface."
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4 jul 1997 año
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~ 28 years ago