Astronomy Picture of the Day
January 4, 2016

Features of Phlegra Montes
Features of Phlegra Montes

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 October, 26th, 2015, and during its 61.507th orbit around the Red Planet, we can see, a small portion of the unusually-shaped Hills forming the Martian Sub-Region known as Phlegra Montes.

The Phlegra Montes is a Sub-Region characterized by the presence of a number of (mostly) smooth Hills - and other Surface Features -, which is located in the Cebrenia Quadrangle of Mars, and centered at 40,4° North Latitude and 163,71° East Longitude. The Phlegra Montes are approx. 1350 Km (such as about 838,35 miles) across and they were so named after a Classical Albedo Feature. They form a truly Complex System of isolated Hills, Ridges and small Basins; in time, it was (also) suggested, by Planetary Scientists, that these Features might have an Endogenic Tectonic Origin. But, just as usual, the truth is still far from being found...

Latitude (centered): 38,9897° North
Longitude (centered): 164,8960° 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 20219) 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 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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