Astronomy Picture of the Day
January 29, 2016

Windstreaks in Syrtis Major Planum
Windstreaks in Syrtis Major Planum

Credits: NASA/JPL/Arizona State University (ASU) - Credits for the additional process. and color.: Dr Paolo C. Fienga/Lunar Explorer Italia/IPF

In this interesting VIS image, obtained by the NASA - Mars Odyssey Orbiter on August, 6th, 2009, during its 33.905th orbit around the Red Planet, we can see a a set of Windstreaks (one of the most common Aeolian Surface Features of Mars) which are located on the dark Martian Region known as Syrtis Major Planum, to the East of Nili Patera.

The really sharp (and extremely well visible) color variations of the Surface, show us the Areas where the Winds' Action has removed - or concentrated, as the case may be - the Surface Dust. Last, but not least, the "Tails" of the Windstreaks indicate that the Dominant Winds here, come from the East/North-East.

Latitude (centered at approx.): 8,47478° North
Longitude (centered): 69,94030° East
Instrument: VIS

This image (which is an Original Mars Odyssey Orbiter falsely colored and Map-Projected frame published on the NASA - Planetary Photojournal with the ID n. PIA 20247) has been additionally processed, magnified to aid the visibility of the details, contrast enhanced and sharpened, Gamma corrected and then re-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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