Astronomy Picture of the Day
March 27, 2016

Residual Water Ice and Frost in Olympia Undae
Residual Water Ice and Frost in Olympia Undae

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 and clear VIS image, taken by the NASA - Mars Odyssey Orbiter on January, 14th, 2016, and during its 62.480th orbit around the Red Planet, we can see - once again, and after a while - a small portion of the Martian Region known as Olympia Undae: an extremely large Dunefield located near the North Polar Cap. Residual Water Ice and Frost can be easily seen on the South-facing Slopes of many Dunes.

Latitude (centered): 81,5702° North
Longitude (centered): 148,3030° East
Instrument: VIS

This image (which is a crop obtained from an Original Mars Odyssey Orbiter b/w and Map Projected frame published on the NASA - Planetary Photojournal with the ID n. PIA 20435) 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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