Astronomy Picture of the Day
December 7, 2013

Looking back - Sol 3485
Looking back - Sol 3485

Credits: NASA/JPL-Caltech - MER Opportunity - Credits for the additional process. and color.: Dr Paolo C. Fienga/LXTT/IPF

After driving uphill for about 139 feet (such as approx. 42,36 meters) during the 3485th Martian Day, or Sol, of its work on Mars (meaning November, 12, 2013 on Earth),  the NASA - Mars Exploration Rover (MER) Opportunity captured this image with its Navigation Camera (or "NavCam", for short), that shows us the Tracks left by the Rover itself as a consequence of its passage. The climb ascended "Murray Ridge", which is right above "Solander Point", and located on the Western Outer Rim of Endeavour Crater.

The view looks toward the North-North/East and the distance between the two parallel Tracks left by the Rover is about 3,3 feet (such as a little more than 1 meter). This Sol's drive brought Opportunity's total odometry to 24,01 miles (such as approx. 38,78 Km).

This frame (which is an Original NASA - Mars Exploration Rover (MER) - "Opportunity" b/w image published on the NASA - Planetary Photojournal and identified by the ID n. PIA 17590) has been additionally processed (where the additional processing has been based on the assumption that the Atmospheric Opacity - "TAU" - of the pictured area was LOW), Gamma corrected and then colorized in Absolute Natural Colors (such as the colors that a normal - meaning "in the average" - human eye would actually perceive if someone were on the Surface of Mars, near the NASA - Mars Exploration Rover (MER) - Opportunity, and then looked back, towards the Surface, Horizon and Sky over Endeavour Crater), by using an original technique created - and, in time, dramatically improved - by the Lunar Explorer Italia Team.

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