Astronomy Picture of the Day
October 22, 2014

Mangala Fossa
Mangala Fossa

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 September, 6th, 2014, and during its 56.476th orbit around the Red Planet, Lava Flows crossing the Martian Region known as Daedalia Planum can be seen at the top and bottom portions of the picture; on the other hand, the Ridge as well as the Linear Depression clearly visible in the central part of the image are part of Mangala Fossa, a Fault-bounded Graben (in other words, using the Geologic Terminology, a long parallel to semi-parallel Fracture - or Trough). Grabens are dropped or downthrown Areas relative to the Rocks on either side, and these Surface Features - very common on Mars - are generally longer than wide.

Latitude (centered): 15,1511° South
Longitude (centered): 219,4470° 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 18753) 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 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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