Astronomy Picture of the Day
March 27, 2015

Gullies in Noachis Terra
Gullies in Noachis Terra

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 January, 27th, 2015, and during its 58.205th orbit around the Red Planet, we can see deep and well defined Gullies on the North/Western side of the Inner Rim of an Unnamed Impact Crater located in the Martian Region known as Noachis Terra. The origin of the large (and kind of square-shaped) Surface Depression visible in the lower center of this picture is still unknown, but we can say, almost for sure (as IPF), that it was NOT caused by any kind of Impact Event.

Latitude (centered): 50,2033° South
Longitude (centered): 34,0703° East
Instrument: VIS

This image (which is an Original Mars Odyssey Orbiter b/w and Map-Projected frame published on the NASA - Planetary Photojournal with the ID n. PIA 19256) has been additionally processed, magnified to aid the visibility of the details, contrast enhanced and sharpened, Gamma corrected and then 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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