After two years driving around the Martian surface, the rover Opportunity is set to examine its intended destination, the Victoria Crater.
[E]xamination of the rocks exposed in the walls of Victoria crater will greatly increase the understanding of past conditions on Mars and the role of water.
"In particular, we are very interested in whether the rocks continue to show evidence for having been formed in shallow lakes," [NASA Smarty pants guy Ray] Arvidson stated.
Scientists and ground controllers are "ready to hit Victoria with everything we've got," added Byron Jones, a rover mission manager at NASA's Jet Propulsion Laboratory (JPL) in Pasadena, California.
Though Opportunity and its twin Spirit have scoured the Martian surface and returned useful data and jokes about evil robot twins for years, this particular mission-within-a-mission is very exciting for JPL scientists, who weren't even sure if Opportunity would be able to make the drive up to Victoria Crater.
Opportunity has been traversing an annulus of dark material around Victoria, said William Farrand, a research scientist here at the Space Science Institute. He is also a member of the Mars Exploration Rover science team.
"There had been some fears that this might be loose, tough to drive on soils, but it has turned out to be fairly well compacted and a good driving surface. We are planning on taking one more look at outcrop material before driving to the rim of Victoria crater," Farrand told SPACE.com.
In the works is a strategy to study Victoria.
High on the priority list, Farrand said, is finding a good vantage point for taking what should be a stunning color panorama of the crater. In the robot's drive around the rim of Victoria, a decision is forthcoming about wheeling Opportunity in a clockwise or counter-clockwise direction, from an orbital perspective, he added.
"I think everyone on the team is pretty psyched to get to the rim of the crater and to get a rover's eye view of what's inside," Farrand said.
JPL scientists also noted that Spirit and Opportunity are very old -- approximately 174* in Martian Rover Years -- and are beginning to show signs of aging.
For instance, a joint in Opportunity's robot arm stalled last week as it was trying to start measurements on a trench it dug.
"We can't say how long the rovers will last," [John Callas, JPL rover project manager] said, "but we will push to get the best possible science out of these national treasures as long as they keep operating. Victoria could very well be the most productive and exciting science of the entire mission."
Meanwhile, at Spirit's exploration site within Gusev Crater, the rover recently experienced a software reset. Cause of the problem was thought to be an overworked central processing unit.
Pushed for more details by a tough reporter, Callas also admitted that Spirit has been driving with its left blinker on for days at a time, while Opportunity mistook the gas for the break, and plowed through a Martian Farmer's Market two weeks ago.
*This number was entirely made up by me, but the fact remains that they're old. Really old. And it's actually really, really cool that they're still able to do more than fill their Depends with coredumps of bad memory at this advanced age.
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