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MARSDAILY
Giving Thanks for Opportunity's Great Work!
by Staff Writers
Pasadena CA (JPL) Dec 08, 2014


illustration only

Opportunity is on the west rim of Endeavour Crater heading towards 'Marathon Valley', a location assumed to have abundant clay minerals slightly over a half mile (1 kilometer) to the south.

The rover is stopped at an interesting geologic unit and conducting in-situ (contact) measurements.

On Sol 3848 (Nov. 21, 2014), the rover began the investigation of a light-toned vein, first with a Microscopic Imager (MI) mosaic and then with the Alpha Particle X-ray Spectrometer (APXS) placed on the same for a multi-hour integration.

On the next sol, Opportunity offset the placement of the APXS for a second measurement. To investigate the rock matrix surrounding the vein, drivers used the Rock Abrasion Tool (RAT) on Sol 3850 (Nov. 26, 2014) to brush an exposed outcrop surface and then followed this with a MI mosaic and another APXS placement. The plan ahead is to perform a multi-sol APXS integration and extensive remote sensing before driving away after the Thanksgiving holiday.

As of Sol 3850 (Nov. 26, 2014), the rover is in good health with solar array energy production of 469 watt-hours, an atmospheric opacity (Tau) of 1.458 and a solar array dust factor of 0.651.

Total odometry is 25.6 miles (41.3 kilometers).


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MARSDAILY
Several Drives Push Opportunity Over 41-Kilometer Mark
Pasadena CA (JPL) Nov 19, 2014
Opportunity is on the west rim of Endeavour Crater heading towards "Marathon Valley," a putative location for abundant clay minerals about a mile (1.4 kilometers) to the south. The rover has begun to pick up the pace. Sol 3836 (Nov. 8, 2014), was the first sol of a 2-sol "Touch 'n Go" using the robotic arm to gather information of a target of opportunity within the arm work volume from the ... read more


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