Astronomy Picture of the Day
April 6, 2016

Features of Hrad Valles
Features of Hrad Valles

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

In this nice VIS image, taken by the NASA - Mars Odyssey Orbiter on January, 16th, 2016, and during its 62.506th orbit around the Red Planet, we can see a small portion of the Martian Sub-Region known as Hrad Valles. Hrad Valles is an ancient Outflow Channels' System located  in the Cebrenia Quadrangle of Mars, an centered at about 38,7° North Latitude and 224,7° West Longitude. It is approx. 825 Km (such as about 512,325 miles) in length and it was so named after the word for "Mars" in Armenian Language.

Hrad Valles is just one of the many Valley Systems located to the West of the Elysium Volcanic Complex. The abovementioned Channels' System - according to many Planetary Scientists - might have been formed by the Flow of both Lava and Water. But this is, as you know, just a simple (and informed) speculation....

Latitude (centered): 37,5228° North
Longitude (centered): 139,9010° 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 20442) has been additionally processed, magnified to aid the visibility of the details, extra-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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