Astronomy Picture of the Day
December 5, 2014

Features of the Margin of the South Polar Cap of Mars
Features of the Margin of the South Polar Cap of Mars

Credits: NASA/JPL/Arizona State University (ASU) - Credits for the additional process. and color.: Dr Paolo C. Fienga/Lunar Explorer Italia/IPF

In this VIS image, taken by the NASA - Mars Odyssey Orbiter on November, 6th, 2014, and during its 57.216th orbit around the Red Planet, we can see a Complex Network of Layers located near the Margin of the South Polar Cap of Mars. No obvious marks left on the Surface by the occurrence of (even small) Impacts can be seen on the whole scene (and this circumstance proves, once again and beyond any reasonable doubt - in our humble opinion, as IPF -, that this specific Polar Surface, just like the one of the Saturnian moon Enceladus, is fresh and it is subject to substantial modifications - so-called "Surface Renewal" - almost continuously). Some Brown/Reddish Dark Terrain, which is now Ice-free, can easily be spotted on several locations of the photographed area.

Latitude (centered): 82,4731° South
Longitude (centered): 275,6870° East
Instrument: VIS

This image (which is a crop taken from an Original Mars Odyssey Orbiter b/w and Map-Projected frame published on the NASA - Planetary Photojournal with the ID n. PIA 18972) has been additionally processed, magnified to aid the visibility of the details, contrast enhanced and sharpened, Gamma corrected and then colorized in a New Version of Absolute Natural Colors (such as the colors that a human eye would actually perceive if someone were onboard the NASA - Mars Odyssey Orbiter and then looked down, towards the Surface of Mars), by using an original technique created - and, in time, dramatically improved - by the Lunar Explorer Italia Team.

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