Astronomy Picture of the Day
November 26, 2014

Alexander Hills (Context Frame) - Sol 817
Alexander Hills (Context Frame) - Sol 817

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

This image-mosaic, that was obtained from the Mast Camera (or "MastCam", for short) located onboard the  NASA - Mars Exploration Rover (MER) - Mars Laboratory Curiosity, shows us a swath of Bedrock nicknamed "Alexander Hills": a place that the Rover approached for close-up inspection of some pre-selected targets. The mosaic, made by 6 (six) MastCam frames, covers an area of about 6 feet (such as approx. 1,828 meters) across. Here, we can see details within the workspace that was only accessible by using the Rover's Robotic Arm (or "RA", for short) from the place where the view was acquired. The component exposures were all taken on November, 23, 2014, during the 817th Martian Day, or Sol, of Curiosity's work on Mars.

We, as IPF, truly - and humbly, as usual - believe that there are quite a few interesting details that have not been yet analyzed by the NASA People. We shall start to show them to you in detail with the first Extra Detail Magnification (or "EDM", for short) that will be published on tomorrow's APOD.

This picture (which is an Original NASA - Mars Exploration Rover (MER) - Mars Laboratory - "Curiosity" White-Balanced image-mosaic published on the NASA - Planetary Photojournal and identified by the ID n. PIA 19066) has been re-processed, reduced in size to fit the page, Gamma corrected and then re-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 towards the location nicknamed Alexander Hills, inside Gale Crater), by using an original technique created - and, in time, dramatically improved - by the Lunar Explorer Italia Team.

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