Astronomy Picture of the Day
September 21, 2015

15 minutes after Pluto: Haze and Fog on the Terminator Line
15 minutes after Pluto: Haze and Fog on the Terminator Line

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

In this (relatively) small section of the larger crescent image of Pluto (taken by the NASA - New Horizons Spacecraft just 15 minutes after the Spacecraft's Closest Approach to the Dwart Planet that took place on July 14, 2015 - see the APOD of September, 19, 2015), the setting Sun illuminates some sort of a "fog" or even a Near-Surface "haze", which is - in a way - cut by the parallel shadows of many local Hills and small Mountains.

This image was taken from a distance of about 11.000 miles (such as approx. 17.702,74 Km) from the Surface of Pluto and the whole scene is roughly 115 miles (such as about 185,0741 Km) wide.

The picture (which is an Original NASA - New Horizons Spacecraft's b/w and NON Map-Projected frame published on the NASA - Planetary Photojournal with the ID n. 19946) has been additionally processed, 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 - New Horizons Spacecraft and then looked outside, towards the Dwarf-Planet Pluto), by using an original technique created - and, in time, dramatically improved - by the Lunar Explorer Italia Team.

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