Astronomy Picture of the Day
December 23, 2012

Onaping - Sol 3163
Onaping - Sol 3163

Credits: NASA/JPL- MER Opportunity - Credits for the additional process.: Dr Paolo C. Fienga/Lunar Explorer Italia/IPF

This image, which comes from the Front Hazard-Avoidance Camera (HazCam) of the NASA - Mars Exploration Rover (MER) Opportunity (and that has been taken during the 3163rd Martian Day - or Sol - of the NASA - MER Opportunity Mission in Meridiani Planum), shows us the Rover's Robotic Arm (RA) of the Rover almost fully extended for examination of a target called "Onaping", located at the base of a Rocky Outcrop called "Copper Cliff", in the Matijevic Hill area of the West Rim of Endeavour Crater.


This frame (which is a NASA - Mars Exploration Rover (MER) Opportunity Original b/w frame published on the NASA - Planetary Photojournal with the ID n. PIA 16555) has been additionally processed 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 Rover "Opportunity", and then looked ahead, towards the Rocky Outcrop known as Copper Cliff, and the Sky above it), by using an original technique created - and, in time, dramatically improved - by the Lunar Explorer Italia Team. Different colors, as well as different shades of the same color, mean, among others, the existence of different Elements on the Surface of Meridiani Planum, each having a different Albedo (---> Reflectivity) and Chemical Composition.



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