| Piú votate - A Tribute To Mars Global Surveyor |
Aeolian_Features-Yardangs-Terra_Sabaea-MGS-02.jpgYardangs in Terra Sabaea (3 - Original NASA/MGS/MSSS b/w Frame)57 visiteLocation near: 1,4° North Lat. and 333,9° West Long.
Image width: ~3 Km (~1,9 mi)
Illumination from: upper left
Season: Northern Spring
(4 voti)
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Aeolian_Features-Yardangs-Terra_Sabaea-MGS-01.jpgYardangs in Terra Sabaea (2 - Original NASA/MGS/MSSS b/w Frame)60 visiteLocation near: 1,4° North Lat. and 333,9° West Long.
Image width: ~3 Km (~1,9 mi)
Illumination from: upper left
Season: Northern Spring
(4 voti)
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Aeolian_Features-Yardangs-Terra_Sabaea-MGS-00.jpgYardangs in Terra Sabaea (1 - Original NASA/MGS/MSSS b/w Frame)58 visiteCaption NASA originale:"This MGS-MOC image shows the contact between a group of Yardangs, tapered Ridges formed by the removal of relatively easily-eroded material (e.g.: Sedimentary Rock) and a concentration of dark-toned windblown Sand on the Floor of an Unnamed Crater in the Terra Sabaea Region of Mars".
Location near: 1,4° North Lat. and 333,9° West Long.
Image width: ~3 Km (~1,9 mi)
Illumination from: upper left
Season: Northern Spring
(4 voti)
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Landslides-Tithonium_Chasma-MGS-01.jpgLandslide in Tithonium Chasma (2 - Original NASA/MGS/MSSS b/w Frame)56 visitenessun commento
(4 voti)
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Channels-Unnamed_Channel_with_White_Ripples-MGS-00.jpgWhite Ripples and Landslide (1 - Original NASA/MGS/MSSS b/w Frame)55 visiteCaption NASA originale:"This MGS-MOC image shows light-toned Ripples covering the Floors of Troughs in the Adamas Labyrinthus Region of Northern Elysium Planitia. The Ripple Crests generally run perpendicular to the trend of each Trough, indicating that the Dominant Winds involved in shaping these Ripples blow up and down, through the Troughs, independently from the direction of the Winds that blow across the Plains outside the Troughs themselves".
Location near: 32,7° North Lat. and 251,1° West Long.
Image width: ~3 Km (~1,9 mi)
Illumination from: lower left
Season: Northern Spring
(4 voti)
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North_Polar_Features-Unconformity-MGS-01.jpgNorth Polar "Unconformity" (Original NASA/MGS/MSSS b/w Frame)55 visiteCaption NASA originale:"This MGS-MOC image shows layered material exposed on a slope in the North Polar Region.
An "unconformity" is visible in the middle/lower left of the image, where layers are abruptly truncated. Unconformities are indicators of drastic change in the Region — the lower layers were deposited first, then eroded, then the upper layers were deposited".
Location near: 81,1° North Lat. and 75,2° West Long.
Image width: ~3 Km (~1,9 mi)
Illumination from: lower left
Season: Northern Spring
(4 voti)
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North_Polar_Features-Unconformities-00.jpgNorth Polar "Unconformity" (Original NASA/MGS/MSSS b/w Frame)63 visiteCaption NASA originale:"This MGS-MOC image shows an Unconformity in an exposure of North Polar Layered Material, at which older Layers were cut-off and eroded before a new suite of Layers was deposited above them.
The Terrain in the entire scene was covered by a thin layer of CO2 Frost at the time this picture was acquired in June 2006".
Location near: 86,1° North Lat. and 208,5° West Long.
Image width: ~4 Km (~2,5 mi)
Illumination from: lower left
Season: Northern Spring
(4 voti)
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South_Polar_Features-Fans-PIA08658.jpgSouth Polar Fans (Original NASA/MGS/MSSS b/w Frames)56 visiteCaption NASA originale:"Dark spots (left) and 'Fans' appear to scribble dusty hieroglyphics on top of the Martian South Polar Cap in two High-Resolution MGS-MOC images taken in Southern Spring. Each image is about 3-Km wide".
(4 voti)
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North_Polar_Features-Dunes-Kaiser_Crater_Dunes-MGS.jpgDunes of the North and Dunes of the South (Original NASA/MGS/MSSS b/w Frames)57 visiteUn raffronto immediato e diretto tra "dune": a Sx le dune in corso di disgelo nelle Regioni Nord Polari di Marte; a Dx, le dune che si possono vedere sul fondo del Cratere Kaiser (Noachis Terra), a media Latitudine Sud.
(4 voti)
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North_Polar_Features-Dunes-MGS-10.jpgDefrosting North Polar Dunes (Original NASA/MGS/MSSS b/w Frame)57 visiteCaption NASA originale:"This MGS-MOC image shows a portion of a sand dune field in the North Polar Region of Mars. The dunes are covered with frozen CO2, which accumulated over the Autumn and Winter months in the Northern Hemisphere. During the Spring, the time at which this image was acquired, the CO2 begins to sublime away, going directly from solid to gas, just as dry ice does here on Earth.
The dark spots, streaked by blowing winds, may be places where the frost has been removed (exposing underlying dark sand), places where the grain size or roughness of the frost has increased (increasing shadowing due to the change in texture), or both".
Location near: 79,7° North Lat. and 148,3° West Long.
Image width: ~3 Km (~1,9 mi)
Illumination from: lower left
Season: Northern Spring
(4 voti)
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Troughs-Olympica_Fossae-MGS-03.JPGTroughs System in Olympica Fossae (Original NASA/MGS/MSSS b/w Frame)56 visiteCaption NASA originale:"This MGS-MOC image shows a wide, flat-floored Trough flanked by several smaller, branching Troughs in the Olympica Fossae Region of Mars. Dark and intermediate-toned Slope Streaks —both created by dry Avalanches of Dust — occur on the Trough Walls".
Location near: 25,1° North; 113,8° West
Image width: ~3 Km (~1,9 mi)
Illumination from: lower left
Season: Northern Winter
(4 voti)
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South_Polar_Features-Swiss_Cheese_Terrain-02.jpgSummertime at the South Pole (2)55 visitenessun commento
(4 voti)
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