Astronomy Picture of the Day
November 12, 2012

Features of Olympia Undae
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

This NASA - Mars Odyssey Orbiter "VIS" image shows a portion of Olympia Undae, the largest Dunefield that lies near and around the North Polar Cap of Mars. In this Region of the Red Planet (which, according to several Researchers, once might have been covered by a huge - and, likely, relatively shallow - Sea), the Dunes are, in a few places, spaced far enough apart, so to allow us to see the details of the Surface that they are slowly, but constantly, moving across. The "White Spots" are relatively large patches of Residual Ice; on the other hand, the Dunes show (at least at this resolution) no signs of Residual Frost on them.

Orbit Number: 47095
Latitude: 79,6934° North
Longitude: 149,575° East
Instrument: VIS
Captured: July, 26th, 2012

This frame (which is an Original Mars Odyssey Orbiter b/w frame published on the NASA - Planetary Photojournal with the ID n. PIA 16320) has been additionally processed 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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