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spiritrover. JPL has announced that, after more than six years of exploring on a 90-day mission, the Mars rover Spirit is dead: "Spirit last communicated on March 22, 2010, as Martian winter approached and the rover's solar-energy supply declined."
The JPL post has a good summary of how much was accomplished, and notes that the sister rover Opportunity is still exploring Mars.
Not all our Mars missions get there, but the ones that do all seem to deliver much more than the design specs. Come to think, that's not unique to Mars missions: consider the Voyager Interstellar Mission.
spiritrover. JPL has announced that, after more than six years of exploring on a 90-day mission, the Mars rover Spirit is dead: "Spirit last communicated on March 22, 2010, as Martian winter approached and the rover's solar-energy supply declined." The JPL post has a good summary of how much was accomplished, and notes that the sister rover Opportunity is still exploring Mars.
Not all our Mars missions get there, but the ones that do all seem to deliver much more than the design specs. Come to think, that's not unique to Mars missions: consider the Voyager Interstellar Mission.
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