Astronomy Picture of the Day
March 31, 2016

Another Unnamed Impact Feature on 1-Ceres (EDM)
Another Unnamed Impact Feature 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 ("EDM") obtained from yesterday's simply beautiful and extremely clear Contextual Image (or "CTX Frame", for short) of the Dwarf Planet 1-Ceres, taken by the NASA - Dawn Spacecraft on February, 7th, 2016, which showed us a relatively recent (always Geologically speaking, of course), "Moderate-sized" and still Unnamed Impact Feature that is imprinted upon the Southern Rim of Mondamin Crater. The shadows created by the low angle of the Solar Illumination in this scene, make very well visible a few Rays of Ejected Material that spread - radially - outward from the aforementioned Crater (not visible here).


Furthermore, several Boulders of various (but, in general, mostly small) sizes - as well as countless and small-sized Impact Craters - can also be seen around the Unnamed Crater's Rim as well as on the (truly small, but well seen, in this EDM) Sunlit part of its - quite obviously - extremely uneven Floor. Some kind of (unexplainable, so far) Gullies can also well be seen on the East-facing Inner Wall (---> Slopes) of the Crater.


The NASA - Dawn Spacecraft captured this scene during its Low-Altitude Mapping Orbit (or "LAMO", for short), from an approx. altitude of 240 miles (such as about 386,2416 Km) above the Surface of 1-Ceres. The Image Resolution is roughly 120 feet (i.e. about 36,576 meters) per pixel (---> Picture Element).


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 20409 - DAWN LAMO Image n. 54) 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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