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Mars Exploration Rovers Update: Opportunity Rolls onto Surface of Meridiani Planum, Mars and Confirms Presence of Hematite

A.J.S. Rayl • January 31, 2004

Opportunity rolled off her lander and onto the dark red Martian soil at Meridiani Planum early Saturday morning, at about 1:50 a.m., Pacific Standard Time, just one week after the robot field geologist arrived on the Red Planet.

Mars Exploration Rovers Update: Spirit Sends First Image Home Since Computer Glitch Shut Her Down Last Week

A.J.S. Rayl • January 29, 2004

The first Mars Exploration Rover, Spirit took -- and successfully returned -- her first image since problems.

Mars Exploration Rovers Update: Spirit Continues Progress in 'Rehab;' Opportunity Returns "Phenomenal" Images Challenger Crew Remembered

A.J.S. Rayl • January 28, 2004

While the first Mars Exploration Rover, Spirit, continues to make progress in 'rehab,' members of the science teams are marveling at the images Opportunity is sending home.

Opportunity Scores "A 300-Million-Mile, Interplanetary Hole-In-One"

A.J.S. Rayl • January 26, 2004

Although it did appear from the very first images returned that the second Mars Exploration Rover had landed inside a small crater when it arrived at Meridiani Planum last Saturday night, that belief was confirmed with further analysis yesterday.

The Mars Exploration Rovers Update: Opportunity Lands in “Beautiful, Alien Place!"

A.J.S. Rayl • January 25, 2004

Opportunity landed in Meridiani Planum on Mars last night at 9:05 p.m. Pacific Standard Time (PST) -- and fours hours later sent its first postcards home!

Second Mars Rover Opportunity Fast Approaching Mars

A.J.S. Rayl • January 24, 2004

The second Mars Exploration Rover -- Opportunity -- Spirit's identical twin -- is approaching the atmosphere of Mars and is expected to land on the Red Planet tonight around 9:06 p.m. Pacific Standard Time.

Spirit Remains in "Intensive Care," But Continues to Radio Home

A.J.S. Rayl • January 23, 2004

Spirit 'phoned home' this morning and returned some good engineering data, but the Mars rover remains in "intensive care," as members of a newly formed anomaly team scramble to find out what caused the glitch two days ago -- and how to fix it.

Spirit Ventures Out to First Target

A.J.S. Rayl • January 19, 2004

Spirit ventured out yesterday, driving nearly 10 feet (about 3 meters) to its first target -- a football-sized rock that scientists have dubbed Adirondack. Meanwhile, Spirit's twin, Opportunity, successfully completed its first trajectory correction maneuver (TCM) in four months.

Mars Exploration Rovers Update: Spirit Lands on Red Planet, Returns First Images

A.J.S. Rayl • January 04, 2004

Spirit -- NASA's first Mars Exploration Rover -- survived the 'six minutes of terror' entering and descending through the atmosphere to land safely -- and upright -- in Gusev Crater on the Red Planet. Just two hours after the confirmation signal of the landing, the first engineering data and images began streaming into the MER Mission Control at the Jet Propulsion Laboratory (JPL), where Spirit and her twin, Opportunity were built.

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