Astronomy Picture of the Day
June 18, 2014

Unnamed Crater in the Northern Plains
Unnamed Crater in the Northern Plains

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, 8th, 2014, and during its 54.631st orbit around the Red Planet, we can see, surrounded by the an almost endless Sea of Sand, bright Dust and really small Dunes, a large and dark Sand Sheet - with Surface Duneforms all over it - that covers the entire Floor of an Unnamed Impact Crater located in the Northern Plains of Mars.

Probably (but we cannot be sure of such a circumstance, since we do not possess a larger contextual image), a wide and, most likely, long and well defined Windstreak is forming (or, perhaps, has already formed) on the North/Eastern side of the Crater, thuis telling us that the Dominant Winds blowing of this area come from the South/West.

Latitude (centered): 74,2979° North
Longitude (centered): 319,1950° East
Instrument: VIS

This image (which is a crop taken from an Original Mars Odyssey Orbiter b/w and NON Map-Projected frame published on the NASA - Planetary Photojournal with the ID n. PIA 18486) 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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