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Mars Exploration Rovers Update: Opportunity Finds Evidence of Past Liquid Water

A.J.S. Rayl • March 03, 2004

The Mars Exploration Rovers have sent home the first real prize of the mission - evidence of past liquid water on the Red Planet. Opportunity -- which landed five weeks ago inside a small crater near exposed bedrock -- has found evidence that Meridiani Planum was once "drenched with water," and, thus, was once suitable for life as we know it, mission scientists announced at a press conference held NASA Headquarters yesterday.

Mars Exploration Rovers Update: Spirit Keeps on Truckin' to Bonneville Opportunity Continues Study of Outcrop

A.J.S. Rayl • February 28, 2004

Spirit and Opportunity continued their search for evidence of water at Gusev Crater and Meridiani Planum this week, and a lot of excited and smiling faces have been emanating from behind the scenes, in the mission rooms at the Jet Propulsion Laboratory (JPL).

Mars Exploration Rovers Update: Spirit To 'Trench' Laguna Hollow; Opportunity Uncovers Shiny Spherules, Takes on El Capitan

A.J.S. Rayl • February 20, 2004

The rovers have been kicking up dirt and roving to new destinations this week, as they pick up the pace and take care of their geological business on Mars.

Mars Exploration Rovers Update: Spirit Breaks More Records; Opportunity Digs a Trench

Amir Alexander • February 17, 2004

Mars driving records are falling at Gusev Crater, as the rover Spirit continues its steady progress towards the nearby crater nicknamed "Bonneville." On Sol 43, which ended on the morning of Monday, February 16, Spirit drove 19 meters (62.3 feet) in the morning and another 8.5 meters (27.9 feet) in the afternoon. The total drive of 27.5 meters (90.2 feet), breaks the Mars one day drive record of 24.4 meters (80 feet), set by Spirit only 7 sols ago. The previous record holder Sojourner, rover of the 1997 Mars Pathfinder mission, had managed no more than 7 meters (23 feet) in a single sol.

Mars Exploration Rovers Update: Spirit Breaks Driving Record -- Again, and Meets the Stone Council

A.J.S. Rayl • February 13, 2004

The Mars Exploration Rovers are really starting to 'show their stuff' on the Red Planet. Despite a couple of technological hiccups earlier in the week, the twin robot field geologists are getting down and dirty in the Martian soil.

Mars Exploration Rovers Update: Spirit Cruises to New Target, 'White Boat' Opportunity Uncovers Mystery Spheres

A.J.S. Rayl • February 10, 2004

Both Mars rovers -- Spirit and Opportunity -- are roving on the Red Planet and doing exactly what they were programmed to do as robot field geologists, explore their surrounding areas.

Mars Exploration Rovers Update: A Restored Spirit Studies Adirondack, 'Talks' to Mars Express

A.J.S. Rayl • February 08, 2004

A fully restored Spirit got back to work late last week on Gusev Crater, using her rock abrasion tool for the first time to brush, then grind into Adirondack. And before her first day back was done, the rover returned more surprises to the science team in the flow of research data she sent home, and reestablished the "international, interplanetary communication network" by exchanging communiqus with the European Space Agency's orbiter, Mars Express.

Mars Exploration Rovers Update: Spirit Suffers Minor Set-Back

A.J.S. Rayl • February 05, 2004

It's been another week unlike any other week on Mars.

Mars Exploration Rovers Update: Both Spirit and Opportunity Get to Work on Mars

Amir Alexander • February 03, 2004

Both Mars Exploration Rovers -- Spirit and Opportunity -- are getting to work studying the Martian landscapes in which they landed.

Mars Exploration Rovers Update: Opportunity Finds Martian 'Paydirt,' Rolls Onto Surface Spirit Makes A Comeback

A.J.S. Rayl • January 31, 2004

Both Mars Exploration Rovers -- Spirit and Opportunity -- are down in the Martian dirt and getting to work.

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