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Larry Crumpler

Field Report from Mars: Sol 4588 - December 20, 2016

Posted by Larry Crumpler

20-12-2016 20:25 CST

Topics: Opportunity, mission status, Mars Exploration Rovers, Mars

Opportunity is finding that the terrain at Endeavour crater is not boring and flat, but rather it is heroically rugged.

Navcam view looking southeast, sol 4588

NASA / JPL-Caltech

Navcam view looking southeast, sol 4588

Hopefully the brakes are good! For a rover that originally landed 12 years ago on what amounts to a flat parking lot, the current terrain is about as different and rugged as any mountain goat rover could handle. On this sol Opportunity continued to climb up the inner crater wall of Endeavour crater. The view above is part of the end-of-drive Navcam panorama from this sol. The view is to the southeast and shows how steep the local terrain is. Also in the far left you can see the rim and floor of the 22-km diameter Endeavour impact crater wrapping around to the south.

The slopes here exceed 20 degrees and the surface consists of flat outcrops of impact breccias covered with tiny rocks that act like ball bearings. Anyone who has attempted to walk on a 20 degree slope with a covering of fine pebbles on hard outcrop can attest to the difficulty. Opportunity has been operating at these extreme slope for several months. But going down hill is one thing, And going back up hill is another entirely. This is a front Hazcam view looking up slope at the end of this most recent drive.

Navcam view toward Beacon Rock

NASA / JPL-Caltech / NMMNH / Larry Crumpler

Navcam view toward Beacon Rock

Opportunity has been driving almost every day over the past week. On this sol and the next Opportunity is driving uphill, seeking a path to the crater rim which is somewhere up there in the distance. The big escarpment uphill is "Beacon Rock", a wall of dark rocks capping the brighter impact breccias. In the next couple of drives we will see how we want to handle getting around that. Up there beyond Beacon Rock is the crater rim and the ultimate goal for the first of the new year.

Opportunity's upcoming traverse

NASA / JPL-Caltech / UA / NMMNH / Larry Crumpler

Opportunity's upcoming traverse

For the coming holiday we hope to park Opportunity with a good view of the valley to the south. That valley has some suspiciously parallel grooves...

 
See other posts from December 2016

 

Or read more blog entries about: Opportunity, mission status, Mars Exploration Rovers, Mars

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