Astronomy Picture of the Day
May 29, 2015

Faulting in Sirenum Fossae
Faulting in Sirenum Fossae

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

In this beautiful VIS image, taken by the NASA - Mars Odyssey Orbiter on August, 13th, 2003, and during its 7.371th orbit around the Red Planet, we can clearly see, among other things (including a small number of small and medium-sized ancient and Unnamed Impact Craters), several Linear Depressions (which look like Volcanic Fissures or even Outflow Channels, in fact and in our humble opinion, as IPF), that, most likely, were reated by Faulting and/or Seismic Events. These truly interesting Surface Features are all found in the Martian Region known as Sirenum Fossae.

Please, notice how the Southern Portion of the Landscape visible here seems to be covered by Volcanic Ashes (whose color is the typical light Gray), while the Northern one is covered - except a very small area, visible on the upper Left (Sx) margin of the frame (possibly a little Layer of Dust and Ejecta) - by the usual Orange Dust and Atmospherical Particulate which characterize most of the Red Planet.

Latitude (centered): 31,4383° South
Longitude (centered): 208,1900° East
Instrument: VIS

This image (which is an Original Mars Odyssey Orbiter falsely colored and Map-Projected frame published on the NASA - Planetary Photojournal with the ID n. PIA 19472) has been additionally processed, magnified to aid the visibility of the details, contrast enhanced and sharpened, Gamma corrected and then re-colorized in Absolute Natural Colors (such as the colors that a normal 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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