Astronomy Picture of the Day
November 20, 2015

Unnamed Impact Crater with 'White Striations' on 1-Ceres (EDM)
Unnamed Impact Crater with 'White Striations' on 1-Ceres (EDM)

Credits: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA and Dr Paolo C. Fienga for the additional process. and color.

This is an Extra Detail Magnification (or "EDM", for short) which has been obtained from yesterday's Contextual Image (or "CTX Frame", for short) of the Dwarf Planet 1-Ceres, taken by the NASA - Dawn Spacecraft on October, 9, 2015. It shows us shows a (as usual, "relatively speaking") "Fresh" Unnamed Impact Crater with a flat Floor. Furthermore, the aforementioned Unnamed Impact Crater is surrounded by a smooth, Flow-like Ejecta Blanket that covers (most) part of the adjacent (and much older) Impact Craters.


The main Unnamed Impact Crater, that is located toward the center left (Sx) of this EDM, is about 16 miles (such as approx. 25,749 Km) in diameter. Notice the several (and extremely well visible here) "White Striations" which cover and characterize most of its East-facing Inner Rim, plus other smaller areas. Clear signs of a (probably old) Landslide of significant proportions are also easy to be seen in the lower - Southern - portion of the Crater).


The original photo was taken from an altitude of approx. 915 miles (such as about 1472,5461 Km) from the Surface, with a resolution of roughly 450 feet (such as about 137,16 meters) per pixel. The image shows us an area of 1-Ceres which is located (---> centered) at 31° South Latitude and 176° East Longitude


This image (which is a crop obtained from an Original NASA - Dawn Spacecraft's b/w and NON Map-Projected frame published on the NASA - Planetary Photojournal with the ID n. PIA 20124 - Dawn HAMO Image 62) has been additionally processed, extra-magnified to aid the visibility of the details, contrast enhanced and sharpened, Gamma corrected and then colorized (according to an educated guess carried out by Dr Paolo C. Fienga-LXTT-IPF) in Absolute Natural Colors (such as the colors that a normal human eye would actually perceive if someone were onboard the NASA - Dawn Spacecraft and then looked ahead, towards the Surface of 1-Ceres), by using an original technique created - and, in time, dramatically improved - by the Lunar Explorer Italia Team.



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