Astronomy Picture of the Day
July 4, 2014

North Polar Ice Layers
North Polar Ice Layers

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

In this VIS image, taken by the NASA - Mars Odyssey Orbiter on April, 15th, 2014, and during its 54.723rd orbit around the Red Planet, we can see, a small portion of its North Polar Regions, which are characterized, as it is well shown here, by the presence of large Areas of Layering (---> more correctly: North Polar Layered Deposiits); remember that the Polar Deposits can be found in both the Polar Caps of Mars; the only (better yet: the main) difference between them, is in the circumstance that the ones found in the North Polar Cap are Water-Ice rich, while the ones of the South Polar Cap are (basically) Carbon-Dioxide (---> Dry) Ice rich.


Latitude (centered): 79,6439° North
Longitude (centered): 339,6480° East
Instrument: VIS


This image (which is a crop taken from an Original Mars Odyssey Orbiter b/w and Map-Projected frame published on the NASA - Planetary Photojournal with the ID n. PIA 18498) 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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