Astronomy Picture of the Day
August 5, 2013

High TAU at Gale
High TAU at Gale

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

The NASA - Mars Exploration Rover (MER) - Mars Laboratory - "Curiosity" used the Navigation Camera (or "NavCam", for short) that is located on its Mast to record this Westward view of Gale Crater, on the 347th Martian Day, or Sol, of the Rover's work on Mars (such as July 28, 2013 on Earth). As a matter of fact, the NASA - Mars Exploration Rover (MER) - Mars Laboratory - "Curiosity" had completed a South/Westward drive of 60,1 meters on the aforementioned Sol 347 and the prominent rock (actually, it is a small erratic boulder) visible in the right foreground (which has been informally named "East Bull Rock") is about 20" - inches - (such as approx. 50,8 cm) tall.

Much farther away. and partially covered by a thick layer of Fog (this one being a very clear evidence of High TAU - where TAU means Atmospheric Opacity - conditions), s segment of the Inner Rim of Gale Crater is also (and relatively well, however) visible in the upper portion of the picture.

This frame (which is an Original NASA - Mars Exploration Rover (MER) - Mars Laboratory - "Curiosity" b/w image published on the NASA - Planetary Photojournal and identified by the ID n. PIA 17082) has been additionally processed, 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) - Mars Laboratory - "Curiosity" , and then looked ahead, towards the Horizon and Sky over Gale Crater), by using an original technique created - and, in time, dramatically improved - by the Lunar Explorer Italia Team.

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