Mars Reconnaissance Orbiter (MRO)
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Psp_009368_1720_red.jpgIus Chasma (natural colors; credits: Lunexit)54 visiteThis image spans the floor of Ius Chasma’s Southern Trench. Ius Chasma is located in the Western Region of Valles Marineris, the Solar System’s largest canyon. This canyon is well known for its fine stratigraphic layers modified by wind and water.
The outcrops contain interchanging layers of dark and bright rocks. The layered deposits consist of dark basalt lava flows and bright sedimentary layers. The sediments are likely to be from atmospheric dust, sand, or alluvium from an ancient water source. The layers are visible on the gentle slopes above the canyon floor, in pitted areas, and in small mesa buttes. The floor of the canyon is littered with megaripples that are aligned in a North-South direction.
Ius Chasma is believed to have been shaped by a process called "sapping" that occurred when water seeped from the layers of the cliffs and evaporated before it reached the canyon floor. This process is thought to have dominated during the Amazonian Period.
Ius Chasma also has several structural features such as East trending normal Faults and Grabens that deformed the canyons. Recent geomorphological events include Mass Wasting (Avalanches) and minor Sapping from Gullies that continued to erode the canyon walls.MareKromium
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Psp_009389_1510_red.jpgBedrock Layers Exposed in Northern Hellas Basin (possible True Colors; credits: Lunar Explorer Italia)72 visiteMars Local Time: 15:30 (middle afternoon)
Coord. (centered): 28,9° South Lat. and 67,0° East Long.
Spacecraft altitude: 261,7 Km (such as about 163,6 miles)
Original image scale range: 52,4 cm/pixel (with 1 x 1 binning) so objects ~1,57 mt across are resolved
Map projected scale: 50 cm/pixel
Map projection: EQUIRECTANGULAR
Emission Angle: 0,3°
Phase Angle: 73,9°
Solar Incidence Angle: 74° (meaning that the Sun is about 16° above the Local Horizon)
Solar Longitude: 104,7° (Northern Summer)
Credits: NASA/JPL/University of Arizona
Additional process. and coloring: Lunar Explorer ItaliaMareKromium
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Psp_009390_2595_red.jpgUnconformity in North Polar Layered Deposits (natural colors; credits: Lunexit)56 visiteThis image features the North Polar Layered Deposits. The flat tongue-shaped feature at the bottom of the image is the surface of the cap.
The bright textured region near the top of the image is polygonal ground, which is commonly found in the Martian High-Latitudes. Polygonal ground formation is thought to relate to temperature cycles in ice-rich soil.
Just south of the polygonal ground, a bright layer within the cap can be seen eroding in the form of landslides, particularly near the center of the image.
The most noticeable part of the polar cap is visible in an unconformity, the horizontal break in the cap layers. An unconformity is caused by non-uniform erosion or deposition. In this case, non-uniform erosion or deposition might have occurred due to variable climate over geologic time.
MareKromium
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Psp_009404_2635_red.jpgSmall Crater on the NPLD (possible True Colors; credits: Lunar Explorer Italia)63 visiteMars Local Time: 14:04 (early afternoon)
Coord. (centered): 83,5° North Lat. and 346,8° East Long.
Spacecraft altitude: 317,7 Km (such as about 198,5 miles)
Original image scale range: 31,8 cm/pixel (with 1 x 1 binning) so objects ~95 cm across are resolved
Map projected scale: 25 cm/pixel
Map projection: EQUIRECTANGULAR
Emission Angle: 3,7°
Phase Angle: 57,3°
Solar Incidence Angle: 60° (meaning that the Sun is about 30° above the Local Horizon)
Solar Longitude: 105,2° (Northern Summer)
Credits: NASA/JPL/University of Arizona
Additional process. and coloring: Lunar Explorer ItaliaMareKromium
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Psp_009406_2600_red.jpgExposed Rupes Tenuis of the Southern Margin of Hyperborea Lingula54 visiteMars Local Time: 14:42 (early afternoon)
Coord. (centered): 79,9° North Lat. and 302,1° East Long.
Spacecraft altitude: 320,6 Km (such as about 200,3 miles)
Original image scale range: 32,1 cm/pixel (with 1 x 1 binning) so objects ~64,1 cm across are resolved
Map projected scale: 25 cm/pixel
Map projection: EQUIRECTANGULAR
Emission Angle: 8,0°
Phase Angle: 51,8°
Solar Incidence Angle: 58° (meaning that the Sun is about 32° above the Local Horizon)
Solar Longitude: 105,3° (Northern Summer)
Credits: NASA/JPL/University of Arizona
Additional process. and coloring: Lunar Explorer ItaliaMareKromium
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Psp_009408_1715_red.jpgShadowland (possible True Colors; credits: Lunar Explorer Italia)54 visiteMars Local Time: 15:31 (middle afternoon)
Coord. (centered): 8,3° South Lat. and 266,4° East Long.
Spacecraft altitude: 263,4 Km (such as about 164,6 miles)
Original image scale range: 52,7 cm/pixel (with 1 x 1 binning) so objects ~1,58 mt across are resolved
Map projected scale: 50 cm/pixel
Map projection: EQUIRECTANGULAR
Emission Angle: 10,5°
Phase Angle: 53,3°
Solar Incidence Angle: 61° (meaning that the Sun is about 29° above the Local Horizon)
Solar Longitude: 105,3° (Northern Summer)
Credits: NASA/JPL/University of Arizona
Additional process. and coloring: Lunar Explorer ItaliaMareKromium
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Psp_009408_2640_red.jpgMass Wasting on the North Polar Scarp (possible True Colors; credits: Lunar Explorer Italia)161 visiteMars Local Time: 13:34 (early afternoon)
Coord. (centered): 84,0° North Lat. and 230,1° East Long.
Spacecraft altitude: 316,9 Km (such as about 198,0 miles)
Original image scale range: 31,7 cm/pixel (with 1 x 1 binning) so objects ~95 cm across are resolved
Map projected scale: 25 cm/pixel
Map projection: EQUIRECTANGULAR
Emission Angle: 0,8°
Phase Angle: 61,0°
Solar Incidence Angle: 60° (meaning that the Sun is about 30° above the Local Horizon)
Solar Longitude: 105,3° (Northern Summer)
Credits: NASA/JPL/University of Arizona
Additional process. and coloring: Lunar Explorer ItaliaMareKromium
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Psp_009414_1915_red.jpgRecent Impact Crater (possible True Colors; credits: Lunar Explorer Italia)109 visiteMars Local Time: 15:30 (middle afternoon)
Coord. (centered): 11,5° North Lat. and 100,8° East Long.
Spacecraft altitude: 289,2 Km (such as about 180,8 miles)
Original image scale range: 28,9 cm/pixel (with 1 x 1 binning) so objects ~87 cm across are resolved
Map projected scale: 25 cm/pixel
Map projection: EQUIRECTANGULAR
Emission Angle: 17,4°
Phase Angle: 36,6°
Solar Incidence Angle: 51° (meaning that the Sun is about 39° above the Local Horizon)
Solar Longitude: 105,5° (Northern Summer)
Credits: NASA/JPL/University of Arizona
Additional process. and coloring: Lunar Explorer ItaliaMareKromium
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Psp_009418_2230_red.jpgFeatures of Arandas Crater (possible True Colors; credits: Lunar Explorer Italia)54 visiteMars Local Time: 15:17 (early afternoon)
Coord. (centered): 42,9° North Lat. and 345,9° East Long.
Spacecraft altitude: 301,0 Km (such as about 188,1 miles)
Original image scale range: 30,1 cm/pixel (with 1 x 1 binning) so objects ~60,2 cm across are resolved
Map projected scale: 25 cm/pixel
Map projection: EQUIRECTANGULAR
Emission Angle: 0,5°
Phase Angle: 44,1°
Solar Incidence Angle: 44° (meaning that the Sun is about 46° above the Local Horizon)
Solar Longitude: 105,7° (Northern Summer)
Credits: NASA/JPL/University of Arizona
Additional process. and coloring: Lunar Explorer ItaliaMareKromium
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Psp_009422_1555_red.jpgSouthern Crater (possible True Colors; credits: Lunar Explorer Italia)54 visiteMars Local Time: 15:30 (middle afternoon)
Coord. (centered): 24,5° South Lat. and 245,1° East Long.
Spacecraft altitude: 252,9 Km (such as about 158,0 miles)
Original image scale range: 25,3 cm/pixel (with 1 x 1 binning) so objects ~50,6 cm across are resolved
Map projected scale: 25 cm/pixel
Map projection: EQUIRECTANGULAR
Emission Angle: 4,8°
Phase Angle: 73,9°
Solar Incidence Angle: 70° (meaning that the Sun is about 20° above the Local Horizon)
Solar Longitude: 105,8° (Northern Summer)
Credits: NASA/JPL/University of Arizona
Additional process. and coloring: Lunar Explorer ItaliaMareKromium
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Psp_009427_2190_red.jpgSmall and "fresh" Crater in Utopia Planitia (possible True Colors; credits: Lunar Explorer Italia)54 visiteMars Local Time: 15:16 (early afternoon)
Coord. (centered): 38,5° North Lat. and 100,3° East Long.
Spacecraft altitude: 297,4 Km (such as about 185,9 miles)
Original image scale range: 29,8 cm/pixel (with 1 x 1 binning) so objects ~89 cm across are resolved
Map projected scale: 25 cm/pixel
Map projection: EQUIRECTANGULAR
Emission Angle: 4,4°
Phase Angle: 48,1°
Solar Incidence Angle: 44° (meaning that the Sun is about 46° above the Local Horizon)
Solar Longitude: 106,0° (Northern Summer)
Credits: NASA/JPL/University of Arizona
Additional process. and coloring: Lunar Explorer ItaliaMareKromium
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Psp_009431_1775_red.jpgHematite Deposits in Meridiani Planum (possible True Colors; credits: Lunar Explorer Italia)54 visiteMars Local Time: 15:27 (early afternoon)
Coord. (centered): 2,3° South Lat. and 357,1° East Long.
Spacecraft altitude: 269,7 Km (such as about 168,5 miles)
Original image scale range: 27 cm/pixel (with 1 x 1 binning) so objects ~54 cm across are resolved
Map projected scale: 25 cm/pixel
Map projection: EQUIRECTANGULAR
Emission Angle: 1,0°
Phase Angle: 56,1°
Solar Incidence Angle: 57° (meaning that the Sun is about 33° above the Local Horizon)
Solar Longitude: 106,1° (Northern Summer)
Credits: NASA/JPL/University of Arizona
Additional process. and coloring: Lunar Explorer ItaliaMareKromium
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