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Mars rover Opportunity studying new surroundings
Question of the Day
LOS ANGELES (AP) - The Mars rover Opportunity is snapping pictures like a tourist since arriving at its latest crater destination, much to the delight of scientists many millions of miles away.
The solar-powered workhorse beamed back images of the horizon, soil and nearby rocks that are unlike any it has seen during its seven years roaming the Martian plains.
Opportunity is doing more than just sightseeing. It recently spent a chunk of time using its robotic arm to investigate a flat-topped boulder that likely formed in a hydrothermal environment.
Scientists were giddy with excitement Thursday _ a tone reminiscent of the mission’s early days.
“Mars is a very complex planet, a very diverse place,” said chief scientist Steve Squyres of Cornell University. “We’re seeing some of that diversity here.”
After a three-year drive, the six-wheel rover finally rolled up to the western rim of Endeavour Crater in early August to begin a new chapter of exploration.
Project managers chose the locale because it’s older and different than previous spots Opportunity has visited. The view from orbit reveals tantalizing evidence of clay deposits believed to have formed in a warm and wet environment early in Mars’ history.
The next task is to head north in search of more ancient rocks and hunt for the elusive clay minerals, said deputy principal investigator Ray Arvidson of Washington University in St. Louis.
The most interesting geology is to the south of Opportunity’s current position, but it’s unclear whether it will go there.
“I’m game for it,” Arvidson said.
Opportunity is showing typical wear for its age. It has to drive backward to prevent one of its wheels from freezing up and has arthritis in its arm.
Opportunity’s latest feat comes months after NASA bid farewell to its identical twin Spirit. Both rovers parachuted to opposite ends of the red planet in 2004 and lasted beyond their original three-month task.
Spirit fell silent last year not long after it got mired in a sand trap. NASA diligently listened for a signal from the rover and gave up in late May.
To commemorate Spirit, the rover team named a spot on Endeavour Crater “Spirit Point.”
By Matt Kibbe
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