rovers

NASA has begun bidding a planned goodbye to its Phoenix Mars Lander. The lander relies on solar panels and the sun's golden touch to reawaken it each day, but a dust storm has hastened the end in the face of the oncoming Martian winter.

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By next fall, NASA plans to launch its biggest Red Planet rover yet, the $1.8-billion, SUV-size Mars Research Laboratory. Even though the MRL will be able to haul five times as much equipment as the Spirit and Opportunity rovers that are already on Mars, a group of Swedish researchers say that they could accomplish far more if accompanied by a squad of helper ’bots. Fredrik Bruhn, the CEO of Ångström Aerospace Corporation, and his colleagues have designed the small inflatable scouts to assist bigger, less mobile rovers in their hunt for signs of microbial life on Mars.

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It would have been pretty heartbreaking for space fans if Spirit and Opportunity, the twin Martian rovers, had survived on the Red Planet all these years, only to be shut down and lost for good due to budget cuts.

Apparently NASA sent a letter last week to the Jet Propulsion Laboratory, the lab that runs the rovers' program, specifying a $4 million cut. Scientists said this move would have forced them to put one rover into hibernation mode, and limit the duties of the other.

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Day 1,464 of the Mars rovers' 90-day mission to Mars (for those of you keeping track), and Steve Squires, the head of science operations for the Spirit and Opportunity rovers is getting us up to date on their latest findings. Most important: serendipity in action. The Spirit rover's right front wheel has broken, so engineers turn the rover around, drive it in reverse, and drag the wheel behind the rover. As it slogs across the planet, it carves a trench. And my, what a trench it carves.

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