Astronomy Picture of the Day
March 13, 2016

Features of Coprates Chasma
Features of Coprates Chasma

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

In this really beautiful VIS image, taken by the NASA - Mars Odyssey Orbiter on November, 5th, 2009, and during its 35.021st orbit around the Red Planet, we can see, once again, a small portion of the Martian Region known as Coprates Chasma (---> the "Coprates' Abyss"): a huge and (relatively) flat-floored Canyon, located in in the Coprates Quadrangle of Mars, and centered at 13,4° South Latitude and 61,4° West Longitude. Here, in particular, we can take a look at part of the Floor of Coprates Chasma; if you pay attention, you will be able to see small and dark Sand Dunes which are located (roughly) near the center of this frame. A relatively big, old and still Unnamed Impact Crater is also visible at the bottom left (Sx) of the picture.

Coprates Chasma is part, as you should already know, of the Great Valles Marineris Canyon System; it is approx. 966 Km (such as about 599,886 miles) long and it was so named after a so-called "Classical Albedo Feature".


Latitude (centered): 14,0463° South
Longitude (centered): 302,3350° 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 20425) 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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