Astronomy Picture of the Day
April 25, 2016

Throughs and Layering in the North Polar Cap
Throughs and Layering in the North Polar Cap

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

In this suggestive and, somehow, "creepy" VIS image, taken by the NASA - Mars Odyssey Orbiter on February, 8th, 2016, and during its 62.789th orbit around the Red Planet, we can see a number of (relatively shallow) Troughs - all located in the North Polar Cap - which, among other things, reveal the presence of Layers made of (most likely: Water) Ice and Dust.

Latitude (centered): 82,9995° North
Longitude (centered): 96,9598° 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 20455) 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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