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Mars Exploration Rovers Update: NASA/JPL Team Celebrates Rovers' First Year on Mars as Spirit and Opportunity Return

Posted by A.J.S. Rayl on 2005/01/05 11:00 CST

As Spirit rang in her new year at Gusev Crater on Mars Monday, NASA officials and mission team members celebrated the Mars Exploration Rovers first anniversary at an event that featured a press conference, storytelling session, and birthday party at the Jet Propulsion Laboratory (JPL).

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Mars Exploration Rovers Update: Spirit and Opportunity Celebrate Christmas by Working

Posted by A.J.S. Rayl on 2004/12/21 11:00 CST

The Mars Exploration Rovers are trudging ever onward through the dead of winter on the Red Planet dreaming, perhaps, if robots dream, of a white Christmas. But Spirit and Opportunity are robots after all and come this weekend "the poor little rovers will have to keep working, even on Christmas," MER Project Scientist Joy Crisp, of the Jet Propulsion Laboratory (JPL), told The Planetary Society earlier today.

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Mars Exploration Rovers Update: Spirit Climbs up Husband Hill as Opportunity Returns to Karatepe to Exit Endurance Crater

Posted by A.J.S. Rayl on 2004/12/09 11:00 CST

The Mars Exploration Rovers are roving ever on into new territories and deeper into the history books as they close in on the end of one full Earth year of active duty at their respective sites on Red Planet.

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Mars Exploration Rovers Update: Spirit Climbs toward Uchben Opportunity Picks up Power while at Wopmay

Posted by A.J.S. Rayl on 2004/10/22 12:00 CDT

As winter gives way to spring on the Red Planet, the Mars Explorations Rovers are maintaining their 5-day a week work schedules and continuing to send surprises home to Earth. Despite a recurring 'ache' in one of her steering motors, Spirit is continuing her climb in the Columbia Hills toward a rock called Uchben, while her twin, Opportunity, is completing her work at Wopmay.

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Mars Exploration Rovers Update: Rovers Expand the Water Story as Spirit Gets Back to Climbing and Opportunity Stops at Wopmay

Posted by A.J.S. Rayl on 2004/10/08 12:00 CDT

The Mars Exploration Rovers are returning more and more evidence that there was liquid water on Mars at some point in the distant past, team members reported at a telecom news briefing yesterday.

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Mars Exploration Rovers Update: Spirit Sits with Steering Glitch, Opportunity Makes Tracks Toward Burn's Cliff

Posted by A.J.S. Rayl on 2004/10/06 12:00 CDT

The worst of the Martian winter is over for the Mars Exploration Rovers, but the robots' own dark days appear to be looming as Spirit hits a 'bump' that's kept her at a standstill for a week now.

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Mars Exploration Rovers Update: Spirit and Opportunity Roving Again as NASA Extends Tours of Duty

Posted by A.J.S. Rayl on 2004/09/23 12:00 CDT

After nearly two weeks of sparse, infrequent communication, Spirit and Opportunity have survived winter solstice and resumed "reliable" contact with Earth and the Mars Exploration Rover team -- and NASA has extended funding for an additional six months of operations, as long as the little robot geologists keep working, space agency officials announced late Tuesday.

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Mars Exploration Rovers Update: Spirit Roves onto "Best" of Martian Bedrock, Evidence of "Much More Water" as Opportunity Uncovers Bizarre Geologic 'Popcorn'

Posted by A.J.S. Rayl on 2004/08/19 12:00 CDT

During the last four weeks, the Mars Exploration Rovers have braved the Martian winter to continue their geologic field work, sending home more evidence of past liquid water on the Red Planet and images of bizarre geologic formations the likes of which no one has seen before.

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Mars Exploration Rovers Update: Spirit Finds Hematite Opportunity Discovers Signs of More Water

Posted by A.J.S. Rayl on 2004/06/25 12:00 CDT

As the Martian winter descends on Gusev Crater and Meridiani Planum, the Mars Exploration Rovers have hit the snowless slopes.

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Mars Exploration Rovers Update: Rovers Go Up Hills, Down a Crater, and May be Showing Signs of Age

Posted by A.J.S. Rayl on 2004/06/15 12:00 CDT

The twin rovers Spirit and Opportunity continue their trek across the varied surface of the Red Planet, climbing hills and descending into a crater. After a two-month journey of over 3 kilometers through rocky terrain, Spirit has now begun climbing the Columbia Hills, which were seen on the horizon in the early panoramas taken from the landing site. The rover is expected to spend much of its remaining life climbing the hills and analyzing their geological make-up. Meanwhile, on the other side of the planet, Opportunity is carefully descending into the stadium-sized depression dubbed "Endurance Crater" by the MER team. The rocky formations revealed on the slopes of the crater promise to provide some of the richest sources for studying the geological history of Mars.

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Mars Exploration Rovers Update: Spirit Uncovers More Evidence of Water Opportunity Prepares to Rove into Endurance Crater

Posted by A.J.S. Rayl on 2004/06/09 12:00 CDT

The Mars Exploration Rovers are each entering new chapters in their extended missions that are already returning more intriguing discoveries, but they are both beginning to slow down now as the Martian winter closes in on them.

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Mars Exploration Rovers Update: Spirit Closes in on Columbia Hills Opportunity Heads Back to Karatepe

Posted by A.J.S. Rayl on 2004/06/03 12:00 CDT

During the last three weeks, the Mars Exploration Rovers have been continuing to rove and explore their respective regions of Mars. Spirit has continued her trek to the Columbia Hills in the Gusev Crater area of Mars, while on the other side of the planet, at Meridiani Planum; Opportunity has been investigating Endurance Crater.

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Mars Exploration Rovers Update: Spirit Sets New Personal Best Driving Record

Posted by A.J.S. Rayl on 2004/05/07 12:00 CDT

"It has been a great week on Mars," Mars Exploration Rovers principal investigator Steve Squyres reported at a press conference yesterday at the Jet Propulsion Laboratory (JPL).

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Mars Exploration Rovers Update: Spirit Makes Tracks to Columbia Hills Opportunity Cruises into Extended Mission

Posted by A.J.S. Rayl on 2004/04/30 12:00 CDT

As Spirit continued her journey to the Columbia Hills in Gusev Crater, Opportunity cruised into her extended mission at Meridiani Planum this week, marking the milestone of the rovers' Martian adventure -- full mission success.

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Mars Exploration Rovers Update: Spirit Gets 'Kicks' on Route 66 Opportunity Solves Martian Mystery

Posted by A.J.S. Rayl on 2004/04/17 12:00 CDT

This week, the Mars Exploration Rovers team successfully installed the new flight software it was uploading to Spirit and Opportunity last weekend. Now, the rovers have enhanced capabilities that should make their remaining Martian sols even safe and more productive, announced Jan Chodas, flight software manager, at the weekly news briefing at the Jet Propulsion Laboratory (JPL).

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Mars Exploration Rovers Update: NASA Approves Extended Missions Spirit & Opportunity Receive Upgrades

Posted by A.J.S. Rayl on 2004/04/09 12:00 CDT

As the Mars Exploration Rovers achieved new milestones on the Red Planet this week, NASA approved a plan to extend the missions for both Spirit and Opportunity to mid-September.

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Mars Exploration Rovers Update: Spirit Finds Hints of Water in Mazatzal Opportunity Finds Hints of Hematite in Bounce Rock

Posted by A.J.S. Rayl on 2004/04/03 11:00 CST

The Mars Exploration Rovers continued to crank out scientific findings about Mars this week: Spirit sent home clues of past ground water at Gusev Crater; Opportunity set a one-day distance driving record and returned to the scene of her arrival, the rock she bounced off on upon landing at Meridiani Planum.

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Mars Exploration Rovers Update: Spirit Finishes Work at Bonneville Crater Opportunity Completes Study at Eagle Crater

Posted by A.J.S. Rayl on 2004/03/27 11:00 CST

The Mars Exploration Rovers each focused their research efforts this week studying the rim of a crater. At Gusev, Spirit continued her study of Bonneville Crater, while at Meridiani Planum Opportunity spent most of her time driving around the southern and eastern portions of Eagle Crater conducting a soil survey of five targets.

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Mars Exploration Rovers Update: Opportunity Emerges from Crater and Onto the Shoreline of What Once Was a Salty Sea

Posted by A.J.S. Rayl on 2004/03/23 11:00 CST

After nearly two months of study, Opportunity has emerged from her landing crater at Meridiani Planum and onto "the shoreline of what was once a salty sea suitable for life," scientists announced at a special press conference held at NASA headquarters in Washington D.C., yesterday.

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