| Piú viste - Mars in JPEG2000 |
PSP_002047_1890-09b.jpgThe "Door"... (edm n. 2 - Natural Colors; credits: Dr G. Barca & Lunar Explorer Italia)79 visitenessun commentoMareKromium
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ESP_011610_1825-01.jpgFresh Triplet! (edm n. 2 - Natural Colors; credits: Dr M. Faccin)79 visitenessun commentoMareKromium
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PSP_001691_1320_COLOR-01.jpgGullied Trough in Noachis Terra (extra-detail mgnf n. 1; Superdefinition + MULTISPECTRUM; credits: Dr M. Faccin & Lunexit)78 visiteCoord.: 47,5 South Lat. and 4,4 East Long.
Spacecraft altitude: about 258 Km
M.L.T.: 15:39 (middle afternoon)
Solar Incidence Angle: 78 (meaning that the Sun was 12 above the Local Horizon)MareKromium
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PSP_006755_2030_RED_abrowse-3.jpgUnusual Surface Features in Mawrth Vallis: the "Worm-like Dunes" (EDM - credits for the additional process.: Dr Gianluigi Barca - Lunexit Team)78 visitenessun commentoMareKromium
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ESP_014342_0930-10.jpgSouth Polar Residual Cap Intraseasonal Change Monitoring (EDM n.10 - Natural Colors; credits: Lunexit)78 visitenessun commentoMareKromium
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PSP_007820_1505_RED_abrowse-1.jpgTalking about "90° angles"... (extra-detail mgnf n. 1 - credits: Dr M. Faccin)77 visite...E che cosa scopriamo?
Scopriamo che, a mano a mano che ci "avviciniamo" alla Superficie, il rilievo squadrato e regolare che ci appariva così intrigante da oltre 260 Km di altitudine, comincia a rivelarsi per quello che (forse) è davvero...MareKromium
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MartianHole-0003.jpgThe "Martian Black Hole" (extra detail mgnf n. 2 - credits: Dr M. Faccin & Lunexit)77 visitenessun commentoMareKromium
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ESP_011699_1910-2.jpgNOT a "City"! (edm n. 2; credits: Dr G. Barca)77 visitenessun commentoMareKromium
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New_View_of_Dark_Pit_on_Arsia_Mons_(PSP_004847_1745)-2.jpgCollapse Pit on Arsia Mons (Natural Colors; credits: Lunar Explorer Italia)77 visitenessun commentoMareKromium
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ESP_014342_0930-09.jpgSouth Polar Residual Cap Intraseasonal Change Monitoring (EDM n.9 - Natural Colors; credits: Lunexit)77 visitenessun commentoMareKromium
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PSP_002922_1725-1.jpgPossible Volcanic "Mouth", on Arsia Mons' Flank (EDM n.1 - credits for the additional process.: Dr Gianluigi Barca)77 visitenessun commentoMareKromium
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New_View_of_Dark_Pit_on_Arsia_Mons_(PSP_004847_1745)-1.jpgDark Pit on Arsia Mons (edm - credits: Dr G. Barca)76 visiteDark Pits on some of the Martian Volcanoes have been speculated to be entrances into Caves. A previous HiRISE image, looking essentially straight down, saw only darkness in this Pit.
This time the Pit was imaged from the West.
Since the picture was taken at about 14:30 M.L.T., the Sun was also shining from the West. We can now see the Eastern Wall of the pit catching the Sunlight.
This confirms that this Pit is essentially a Vertical Shaft cut through the Lava Flows on the flank of the Volcano. Such Pits form on similar Volcanoes in Hawaii and are called "Pit Craters".
They generally do not connect to long open caverns but are the result of deep underground collapse.MareKromium
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