The Best Frames from Viking Orbiter 1 and 2 |
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A streak in the Sky (extra detail mgnf)40 visteDettaglio ad elevato stretching della striscia di luce visibile in alto a Dx nel frame che segue. Si tratta di un artefatto fotografico davvero molto simile a quanto visibile anche nel frames (famosissimi) ottenuti, guarda caso sempre nelle vicinanze di Phobos, dalla Sonda Sovietica Phobos-2?
La coincidenza è forte, la somiglianza fra le due "strisce" è enorme; noi, però, vogliamo e dobbiamo essere pragmatici: non ci è possibile, infatti, fare alcuna speculazione sulla possibile causa e natura della Striscia di Luce in oggetto. UFO? Stella sullo sfondo che risulta mossa a causa della esposizione adottata dalla Sonda Viking 1 per ottenere questo frame?
O semplice photoartifact?
Ancora una volta (sorry...) dovete decidere Voi.
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Deimos, from Viking 235 vistenessun commento
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Deimos, from Viking 231 vistenessun commento
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Deimos, from Viking 242 vistenessun commento
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Deimos, from Viking 242 vistenessun commento
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Deimos, from Viking 243 vistenessun commento
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Deimos, from Viking 233 vistenessun commento
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Deimos, in natural colors17 visteCaption NASA originale:"Color pictures of the two Martian moons have confirmed Earth-based spectra by also showing both satellites to be gray. The Viking imaging data showed the surfaces to be uniformly gray over the complete surface to a resolution of a few hundred meters. No significant color differences were seen on either surface, including areas around craters and those within the bright albedo features on Deimos.
The color indicates composition is of a carbonaceous chondritic material. Deimos, here, is at a range of 2100 km from the Viking 1 Orbiter. In these pictures, color differences have be en exaggerated; most of the color differences are due to noise or are artifacts of the processing, especially around craters and the limb".
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![vo2_248b57[1].jpg](albums/userpics/10008/small_vo2_248b57%5B1%5D.jpg "Nome File=vo2_248b57[1].jpg
Peso File=87KB
Dimensioni=1130x931
Data inserimento=Dic 15, 2006")
Extremely bright craters' edges21 vistenessun commento
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Fractures radiating from Stickney Crater14 visteCaption NASA originale:"Viking Orbiter 1 flew within 300 Km of Phobos in May 1977 to obtain this photomosaic. Raw pictures are at the top and computer-enhanced pictures, to show small surface detail, are at the bottom. The Northern Hemisphere of Phobos is visible from about 30° above the Equator (Phobos' orbit plane), with the side of Phobos facing Mars at the lower right. Phobos presents an illuminated area of about 17 Km from top to bottom and 23 Km across. The rim of Stickney, the largest crater on Phobos, is seen at the lower left, with a large network of grooves radiating from it.
A large, 2-km diameter crater with a slumped wall is seen just below the middle of the picture".
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![vo2_421b64[1].jpg](albums/userpics/10008/small_vo2_421b64%5B1%5D.jpg "Nome File=vo2_421b64[1].jpg
Peso File=655KB
Dimensioni=2200x2385
Data inserimento=Apr 10, 2007")
Inca City17 visteViking 2 Orbiter image of an area near the South Pole of Mars given the name Inca City.
This semi-rectangular grid (at upper-right) is probably the result of wind deflation of deposits revealing the underlying gridded terrain. The individual square cells are about 4 to 5 Km across. An ice deposit can be seen at the lower right of the frame, which is to the South.
(Viking Orbiter 421B64)
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Mars, according to Viking 1 Orbiter29 vistenessun commento
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