| Ultimi arrivi - Mars Reconnaissance Orbiter (MRO) |
PSP_006998_2060_RED_abrowse.jpgRecent Impact? (Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)242 visitenessun commentoMareKromiumMar 28, 2011
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PSP_006679_1680_RED_abrowse-PCF-LXTT.jpgLayered Features in Noctis Labyrinthus (Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)253 visitenessun commentoMareKromiumMar 28, 2011
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PSP_007006_1765_RED_abrowse-PCF-LXTT.jpgLayered Surface Features in Aureum Chaos (Absolute Natural Colors; credits: Dr Paolo C. Fienga - Lunexit Team)286 visitenessun commentoMareKromiumMar 28, 2011
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ESP_021569_1650_RED_abrowse-PCF-LXTT-1.jpgOver the Columbia Hills (Natural Colors; credits: Dr Paolo C. Fienga - Lunexit Team)235 visiteAcquisition date: 04 March 2011
Mars Local Time (M.L.T.): 15:11 (Early Afternoon)
Latitude (centered): 14,6° South
Longitude (East): 175,6°
Spacecraft Altitude: approx. 264 Km (163,944 miles)
Original Image Scale Range: 26,4 cm/pixel (with 1 x 1 binning) so objects ~79 cm across are resolved
Map Projected Scale: 25 cm/pixel and North is up
Map Projection: EQUIRECTANGULAR
Emission Angle: 2,9°
Sun-Surface-Spacecraft Angle (i.e.: Phase Angle): 48,7°
Solar Incidence Angle (S.I.A.): 46°, with the Sun about 44° above the Local Horizon
Solar Longitude: 247,7° - Northern AutumnMareKromiumMar 27, 2011
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ESP_021569_1650_RED_abrowse-PCF-LXTT-2.jpgOver the Columbia Hills (Enhanced Natural Colors; credits: Dr Paolo C. Fienga - Lunexit Team)197 visiteAcquisition date: 04 March 2011
Mars Local Time (M.L.T.): 15:11 (Early Afternoon)
Latitude (centered): 14,6° South
Longitude (East): 175,6°
Spacecraft Altitude: approx. 264 Km (163,944 miles)
Original Image Scale Range: 26,4 cm/pixel (with 1 x 1 binning) so objects ~79 cm across are resolved
Map Projected Scale: 25 cm/pixel and North is up
Map Projection: EQUIRECTANGULAR
Emission Angle: 2,9°
Sun-Surface-Spacecraft Angle (i.e.: Phase Angle): 48,7°
Solar Incidence Angle (S.I.A.): 46°, with the Sun about 44° above the Local Horizon
Solar Longitude: 247,7° - Northern AutumnMareKromiumMar 27, 2011
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ESP_021569_1650-PCF-LXTT.jpgOver the Columbia Hills (Absolute Natural Colors; credits: Dr Paolo C. Fienga - Lunexit Team)309 visiteAcquisition date: 04 March 2011
Mars Local Time (M.L.T.): 15:11 (Early Afternoon)
Latitude (centered): 14,6° South
Longitude (East): 175,6°
Spacecraft Altitude: approx. 264 Km (163,944 miles)
Original Image Scale Range: 26,4 cm/pixel (with 1 x 1 binning) so objects ~79 cm across are resolved
Map Projected Scale: 25 cm/pixel and North is up
Map Projection: EQUIRECTANGULAR
Emission Angle: 2,9°
Sun-Surface-Spacecraft Angle (i.e.: Phase Angle): 48,7°
Solar Incidence Angle (S.I.A.): 46°, with the Sun about 44° above the Local Horizon
Solar Longitude: 247,7° - Northern AutumnMareKromiumMar 27, 2011
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ESP_021622_1095_RED_abrowse-PCF-LXTT.jpgSouthern Dunefield (Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)219 visitenessun commentoMareKromiumMar 27, 2011
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ESP_021641_1205_RED_abrowse-PCF-LXTT.jpgSouthern Dunefield (Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)257 visitenessun commentoMareKromiumMar 27, 2011
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PIA10147-Starburst_Channels-PCF-LXTT.jpgThe "Arthur Clarke Trees" (Enhanced Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)211 visitenessun commentoMareKromiumMar 22, 2011
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PSP_004965_0980_RED_abrowse-00~0.jpgSouth Polar Layered Deposits - SPLD (Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)118 visiteThe South Polar Layered Deposits (SPLD) are interesting because they were probably formed by global climate changes on Mars, like ice ages on Earth. The Martian SPLD are rich in water ice, but appear to be covered by a dusty layer that protects the underlying ice from evaporation and erosion.MareKromiumMar 20, 2011
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Psp_002455_1320_red-PCF-LXTT.jpgDunes in Proctor Crater (Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)117 visiteThis image shows the edge of a Dark Dunefield on the Floor of Proctor Crater, an approx. 150 Km diameter Impact Crater located in the Southern Highlands of Mars.
Many smaller and brighter "Bed-Forms", most likely small dunes or Granule Ripples, cover the substrate between the larger Dark Dunes as well as most of the Floor of Proctor Crater. In many locations, large (Erratic) Boulders are seen on the same surfaces as the bright Bed-Forms.
The Dark Dunes stratigraphically overlie the small bright Bed-Forms, indicating that the Dark Dunes formed more recently. However in several areas, the Dark Dunes appear to influence the orientation of the small Bright Dunes, possibly by wind flowing around the larger ones, suggesting that both Dark and Bright Bed-Forms are coeval.MareKromiumMar 20, 2011
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PSP_004980_1035_RED_browse-00~0.jpgUnnamed "Ghost" Crater near the South Pole (CTX Frame - Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit) 156 visiteThis HiRISE image shows a Circular Structure near the South Pole of Mars. This feature is probably a heavily modified Impact Crater. It is currently expressed as a group of concentric circular features with little vertical expression.
This feature was probably once an Impact Crater many tens of meters deep. (Small impact craters are typically about 1/5th as deep as they are wide).
The original topography has been smoothed by some combination of burial and viscous relaxation. Most burial processes will preferentially fill in low areas like craters; the infilling material may then compact, producing arcuate structures. MareKromiumMar 20, 2011
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