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Rover Field Reports from Mars

Status Reports for Perseverance rover at Jezero Crater Mars

 

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

The Perseverance rover Science Team will be working remotely during the early mission. Below is a brief field report summary of its latest activity.

As the Perseverance interplanetary cruise stage approaches Mars, the planet appears to grow in size, were you able to see it from the spacecraft. Over previous months Mars was just a dot in the sky from the perspective of the cruise stage. But in the past few weeks Mars has "grown" in size at an alarming rate. As of today, February 15, 2021, just three days from landing on Mars, the planet appears as big as the full Moon does from Earth.


 


Archived Reports


Clean-up activities in preparation for driving south.

We sent Opportunity a few meters uphill looking for the contact and are trying to get a quick composition and microscopic image on the outcrop. It looks like the Shoemaker Formation (impact breccia). If the rock has round spherules, it would be unlike the breccias we saw elsewhere along the ridge crest.

Here is latest map that I prpepared after the sol 3219 drive. The base image for this map is a mosaic of the local Navcam panoramas reprojected in vertical presepctive.

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.

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