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Rover Field Reports from Mars

Status Reports for MER Opportunity Rover at Endeavour Crater, Meridiani Planum

 

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L. Crumpler, MER Science Team & New Mexico Museum of Natural History & Science

The Mars Exploration Rover Opportunity is still exploring Mars. Below is a brief field report summary of its latest activity.

 


Latest Report


Publish Date: 
Friday, September 22, 2017 - 4:30pm

Opportunity is continuing its drive down Persevereance Valley, a channel that was cut in the inner wall of the 22 km-diameter Endeavour impact crater in ancient Mars (Noachian) time. This is the second stop of a series of stops as Opportunity drives down the valley. The goal is to collect field data that will help assess the origin of the valley. While the valley looks like a water-cut valley, we cannot be sure whether other processes like wind or drive flow have cut the valley. But that is why we are taking our time and collecting data as we drive.

 

 

 

 


 


Archived Reports


We have been seeing lots of small light-colored veins crossing through the outcrops here on Matijevic Hill, and we have tried to get a handle on the composition of these veins  by doing multiple offsets with the APXS. It appears that the small veins are calcium sulfate, as best we can determine. In other words, they are probably gypsum like the large veins that we saw around the margins of Cape York. Here are exmples of some of theseback in the Ortiz outcrop. They are tiny, measuring at a millimeter or two in width. But they are everywhere.

This weekend we will move to another outcrop to the north and ry to get a handle on the strange newberries. And maybe take a look at the alteration zones that have caused the boxwork type structures common to these outcrops.

While we wait to get there, take a look at the chart below. If all goes well, Opportunity will break the interplanetary rover distance record by next August.

We completed the bump and may have the target in the work volume....we think.

Another New Mexico name gets used for a Mars outcrop target.

The drive to the current target went well. But Opportunity will need to do some “adjustment” bumps in order to put the target in the work volume of the IDD. Because the IDD has a bad shoulder joint, Opportunity can only operate the arm in a single plane, more or less. So the part of any outcrop target that we would like to examine has to be pretty much in that plane and reachable. So careful positioning is necessary with particularly small targets like the one we are attempting to analyze.

We finished up with examination of  the big outcrop ("Copper Cliff") and moved to the next target over the weekend.

So we bumped towards the big outcrop ("Copper Cliff"). In the next plan we will center the rover work volume on a target that we have selected.

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