Astronomy Picture of the Day
August 26, 2014

More Features of Olympia Undae
More Features of 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 VIS image, taken by the NASA - Mars Odyssey Orbiter on June, 5th, 2014, and during its 55.336th orbit around the Red Planet, we can see, once again, quite a few (and always interesting) Surface Features which are typical of the Olympia Undae Region of Mars.

An old, partially buried, really round and medium-sized Impact Crater is visible in the lower portion of the frame, slightly to the right (Dx); furthermore, on the lower left (Sx) corner of the picture, wide Patches of Residual Ice are clearly visible while, in the upper part of the image, we can see many of the - however - countless Dunes that cover this Region of the Northern Hemisphere of the Red Planet (and all of them, apparently, appear now to be completely Frost-free).

Latitude (centered): 79,6049° North
Longitude (centered): 159,7230° 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 18688) 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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