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• THE LUNAR EXPLORER ARCHIVES
• MOON
• MARS
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• DEEP SKY

A R C H I V E S

This sub-image, taken out from a large frame obtained by the NASA - Mars Reconnaissance Orbiter on April, 1st, 2014, shows us a small portion of the Outer Wall of an approx. 26-Km-wide (such as aabout 16,14 miles) Impact Crater located to the North/East of the huge Hellas Impact Basin.

The Crater exposes large Blocks of Bedrock (also called "Megabreccia") in both the Central Uplift as well as in its Inner and Outer Walls. This Absolute Natural Colors sub-image from the Outer Wall of the aforementioned Impact Crater shows us a large, approximately 250-meter (such as about 273,5 yards)-wide red/pinkdish Blocks which could even be (but this circumstance is not - and, for now, cannot be - proven) Ejecta from the ancient Hellas Impact Event (or - maybe - from other large Impacts which occurred in this Region billions of years ago).

Mars Local Time: 15:24 (Early Afternoon)
Coord. (centered): 24,463° South Lat. and 87,527° East Long.
Spacecraft altitude: 268,7 Km (such as about 166,862 miles)
Original image scale range: 53,8 cm/pixel (with 2 x 2 binning) so objects ~ 1 mt and 61 cm across are resolved
Map projected scale: 50 cm/pixel
Map projection: EQUIRECTANGULAR
Emission Angle: 17,9°
Phase Angle: 82,0°
Solar Incidence Angle: 69° (meaning that the Sun was about 21° above the Local Horizon at the time the picture was taken)
Solar Longitude: 110,3° (Northern Summer - Southern Winter)
Credits: NASA/JPL/University of Arizona
Additional process. and coloring: Lunar Explorer Italia

This picture (which is a NASA - Original Mars Reconnaissance Orbiter False Colors and NON Map-Projected sub-frame identified by the serial n. ESP_035998_1555-1) has been additionally processed, magnified to aid the visibility of the details, contrast enhanced, Gamma corrected, and then re-colorized in Absolute Natural Colors (such as the colors that a human eye would actually perceive if someone were onboard the NASA - Mars Reconnaissance 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.