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A.J.S. Rayl • February 04, 2016 • 1
On January 24th, the veteran Mars Exploration Rover (MER) wrapped the last day of her 12th year of surface operations on Mars, marking an extraordinary, historic achievement for the Mars Exploration Rovers (MER) mission.
Larry Crumpler • January 29, 2016
On January 23rd, Opportunity celebrated its 12th anniversary of landing on Mars.
A.J.S. Rayl • January 08, 2016 • 2
Perched on the southern wall of Marathon Valley at Endeavour Crater, Opportunity braved temperatures descending well below -100° F in December to work the winter science campaign and home in on the remnants of ancient clays.
A.J.S. Rayl • December 03, 2015
Opportunity faced the challenges of winter as well as technological issues in November, but pressed on, hiking up hill and into a geological treasure trove that may well present the scientists with the evidence they need to solve the clay mineral mystery of Marathon Valley.
A.J.S. Rayl • November 04, 2015
Opportunity hit the slopes of her seventh winter haven on the south side of Marathon Valley in October as the mission entered the 130th month of what was initially slated to be a 90-day tour.
Casey Dreier • October 19, 2015 • 7
In its 2016 budget request, the White House inexplicably proposed to end two active, scientifically productive planetary missions: the Mars Exploration Rover Opportunity and the Lunar Reconnaissance Orbiter.
A.J.S. Rayl • October 02, 2015 • 1
Opportunity continued her walkabout around Marathon Valley in September and sent home more evidence of significant water alteration and, perhaps, an ancient environment inviting enough for the emergence of life.
A.J.S. Rayl • September 03, 2015
Opportunity drove farther into Marathon Valley in August, dug into what appears to be a water-altered rock, and took a lot of picture postcards in what is turning out to be a distinctively different site from any that the mission has found since the robot field geologist landed in 2004.
Larry Crumpler • August 26, 2015
Opportunity is moving down into a large valley that cuts through the rim of Endeavour crater, into some interesting scenery.
Emily Lakdawalla • August 10, 2015 • 5
I'm back from two weeks' vacation, so it's time to catch up on the status of all our intrepid planetary missions, from Akatsuki to the Voyagers and hitting the Moon, Mars, asteroids, comets, and Saturn in between.
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