Astronomy Picture of the Day
July 20, 2014

Lonar Crater
Lonar Crater

Credits: NASA/JPL-Caltech/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, 24th, 2014, and during its 54.828th orbit around the Red Planet, we can see Lonar Crater: an Impact Crater (approx. 11, 5 Km - about 7,14 miles - in diameter and about 1370 meters - such as roughly 4493,59 feet - deep, with a very well visible - Double? - Pedestal) which has apparently undergone (---> suffered) very little modification since it formed, and so, in the light of such an assumption, many Planetary Scientists concluded that it must be one of the youngest Impact Features found in this Martian Northern Region.


In considration of the large amount of Residual Water Ice and Frost that is located on its Southern Inner Slopes, as well as on the North-facing Vertical Reliefs of its Pedestal we, as IPF, can reasonably assume that the Dominant Winds here have blown (and keep blowing) along a South-North direction (thus removing the Residual Water Ice and Frost that was located on the Northern Inner Slopes of Lonar Crater, as well as on the South-facing Vertical Reliefs of its large and higly irregular Pedestal).


Latitude (centered): 72,9990° North
Longitude (centered): 38,4817° 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 18541) 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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