NASA

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Not too bad for a mission that was only supposed to last 90 days 😉 NASA’s Mars rovers are celebrating their fifth birthday on the Red Planet, exceeding their original life span by four years and nine months, with no end in sight to their history-making work. The rover Spirit landed January 3, 2004, with Opportunity touching down 21 days later. NASA said the rovers had made important discoveries about the wet and violent conditions on ancient Mars.