Astronomy Picture of the Day
May 7, 2016

Features of Ganges Chasma
Features of Ganges 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 both suggestive and interesting VIS image, taken by the NASA - Mars Odyssey Orbiter on February, 2nd, 2010, and during its 36.094th orbit around the Red Planet, we can see a (relatively) small portion of the part of the Martian Sub-Region known as Ganges ChasmaGanges Chasma is a deep Canyon found at the Eastern End of the Great Valles Marineris Canyon System. It was so named after the River Ganges (located in India). Small Hills and an obvious lack of Impact Craters characterize the whole area. Please also notice the steep-faced, long and unusually-looking Relief located in the left (Sx) corner of the frame. Its origin - of course - in still unknown.

Ganges Chasma is thought, by Planetary Scientists, to have formed through a series of Catastrophic Discharges of Water and CO2 from Chaos Terrains, such as the ones preserved in Ganges Chaos, which is located at its Southern Margin. However, most of the evidence for these Catastrophic Discharges - and the ensuing (---> subsequent) Collapses - is believed to have been washed away (---> destroyed) eons ago.

Latitude (centered): 8,06047° South
Longitude (centered): 313,53400° 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 20595) has been additionally processed, magnified to aid the visibility of the details, extra-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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