Astronomy Picture of the Day
June 25, 2014

Unnamed Crater in Acidalia Planitia
Unnamed Crater in Acidalia Planitia

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, 10th, 2014, and during its 54.656th orbit around the Red Planet, we can see, once again, after the APOD of June, 18, 2014, a so-called "Sand Sheet" with Surface Duneforms (---> sinuous Riiples) that covers part of the Floor of a very old (and dusty) Unnamed Impact Crater located in the Martian Northern Region known as Acidalia Planitia.


Latitude (centered): 61,3669° North
Longitude (centered): 311,7520° 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 18490) 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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