| Piú viste - A Tribute To Mars Global Surveyor |
Craters-Lyell_Crater-01.jpgLyell Crater's Gullies (Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)188 visiteCaption originale:"This MGS-MOC image shows a suite of Gullies on a Scarp in Lyell Crater".
Location near: 69,7° South Lat. and 14,0° West Long.
Image width: ~3 Km (~1,9 mi)
Illumination from: upper left
Season: Southern SummerMareKromium
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Aeolian_Features-Windstreaks-Chrise_Planitia-MGS-01.jpgWindstreaks in Chryse Planitia (Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)186 visiteCaption NASA originale:"This MGS-MOC image shows two Unnamed Impact Craters of nearly equal size, plus their associated Windstreaks. These occur in far Eastern Chryse Planitia. The Wind streaks point toward the South-West, indicating that the responsible Winds blew from the North-East. One of the two craters is shallower than the other and has a suite of large, windblown Ripples on its Floor. The shallower Unnamed Crater with the Ripples is probably older than the other, deeper Unnamed Crater".
Location near: 20,6° North Lat. and 30,1° West Long.
Image width: ~3 Km (~1,9 mi)
Illumination from: lower left
Season: Northern Winter MareKromium
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Terra_Meridiani-The_Sentinels-M0001661-01.gifUnusually-looking Features in Terra Meridiani (Original NASA/MGS/MSSS b/w Frame - EDM)184 visitenessun commento
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Phobos_from_MGS-003.jpgPhobos from Mars Global Surveyor (4 - HD)184 visitenessun commento
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South_Polar_Regions-M0903484-03.jpgFeatures of the South Polar Regions (EDM - Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team) 184 visitenessun commentoMareKromium
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Volcanoes-Unnamed_Volcano-PIA06841.jpgUnnamed Small Martian Volcano (EDM - Original NASA/MGS/MSSS b/w Frame)183 visite"...This Mars Global Surveyor (MGS) image shows a small Unnamed Volcano located South/West of the giant Volcano, Pavonis Mons, near 2,5° South Lat. and 109,4° West Long. Lava Flows can be seen to have emanated from the Summit Region, which today is an irregularly-shaped Collapse Pit, or Caldera. A blanket of Dust mantles this Volcano. Dust covers most Martian Volcanoes, none of which are young or active today. This picture covers an area about 3 Km across..."
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Noachis_Terra-M0705535-01.jpgBizarre-looking Surface Features of Southern Noachis Terra (Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)183 visitenessun commentoMareKromium
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Buttes-Argyre_Planitia-MGS-PCF-LXTT.jpgUnusually-looking Butte in Argyre Planitia (Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team) 181 visitenessun commentoMareKromium
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North_Polar_Features-Dunes-Dark_Dunes-PCF-LXTT.jpgDark Dunes in Vastitas Borealis (Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)181 visiteCaption NASA originale:"This MGS-MOC image shows dark North Polar Dunes overlying other materials in the North Polar Region".
Location near: 79,1° North Lat. and 228,8° West Long.
Image width: ~3 Km (~1,9 mi)
Illumination from: lower left
Season: Northern SummerMareKromium
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Craters-Lau_Crater-M07_4748_4749-PCF-LXTT-00.jpgFeatures and Proximities of Lau Crater (CTX Frame - Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team) 178 visiteCaption NASA:"The Martian Southern Hemisphere was nearly 2 months into its Spring Season when this picture was taken by the Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) on September 25, 1999. The scene covers a vast, Frost-coated Plain located South of the martian Antarctic Circle. The icy Terrain in the image has an almost pastel-like character, owing to the mixture of reddish Dust both on, in, and under the white Frost. The Frost - mostly frozen water at this time of year - is left over from Winter, which ended on August 2, 1999. One Martian Year is about 687 Earth days long, thus each of the Planet's 4 seasons are nearly twice as long as seasons on Earth.
The largest Crater visible in the upper left of the frame is Lau Crater, named for the Danish Astronomer, Hans E. Lau (1879-1918). The Dark Spot near the center of the image has no name, and its origin is unknown. The picture covers an area about 1.020 Km across by approximately 1.240 Km down.
The center is located near 76° South Lat. and 97° West Long.; North is toward the upper right. Sunlight illuminates the scene from the upper left".MareKromium
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Craters-Spallanzani_Crater-MGS-01.jpgLayered "Mesa" inside Spallanzani Crater (Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)178 visiteCaption NASA originale:"This MGS-MOC image shows a layered, light-toned Mesa among other Layered Materials exposed in a mound that covers much of the Floor of Spallanzani Crater".
Location near: 58,3° South Lat. and 273,9° West Long.
Image width: ~3 Km (~1,9 mi)
Illumination from: upper left
Season: Southern Summer MareKromium
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Phobos_from_MGS-000.jpgPhobos from Mars Global Surveyor (1)177 visitePhobos, a quanto pensano gli Scienziati, potrebbe non essere una "luna originale" di Marte. Potrebbe (peraltro verosimilmente) trattarsi di un asteroide 'catturato' da Marte, in epoche remote, mentre transitava nei suoi paraggi. La velocità di rotazione di Phobos è estremamente elevata: questa luna, infatti, completa un'intera orbita intorno a Marte in circa 8 ore. Per quanto attiene, poi, il lato "esteriore" di Phobos, possiamo facilmente notare il grandissimo numero di crateri sulla sue superficie e l'enorme depressione (lo "Stickney Crater") che lo caratterizza in maniera davvero unica.
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