| Piú votate - Mars through Mars Express (ESA - Original Raw Frames & Orbital Panoramas) |
Phobos-403-20080729-5850-6-SRC-01_H1.jpgPhobos and two possible Landing Sites for "GRUNT" (natural colors; credits: Lunexit)65 visiteCaption ESA:"HRSC Super-resolution channel (SRC) image taken on July, 22, 2008 from a distance of approix. 4500 Km, showing the illuminated edge of the potential Landing Site of the Russian "Phobos-Grunt" Mission.
MareKromium
(5 voti)
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Hebes_Chasma.jpgHebes Chasma (Natural Colors + MULTISPECTRUM; credits: ESA and Lunexit)63 visiteThe Region is an "Enclosed Trough" situated in Valles Marineris, the Grand Canyon of Mars, where water is believed to have flowed. The High Resolution Stereo Camera (HRSC) on ESA’s Mars Express studied the area providing new pictorial clues to its history.
Hebes Chasma is located at approx. 1° South Lat. and 282° East Long. Image data was obtained on 16 September 2005 with a ground resolution of approx. 15 mt/pixel.
The Region is an enclosed, almost 8 Km-deep trough in the most northern part of Valles Marineris, the 3000-Km long “Grand Canyon of Mars”.
The steep flanks of the trough show branched incisions and small veins of rock. Below the flanks, run-off and material from larger landslides is also visible.
A flat-topped mountain is located in the centre of Hebes Chasma.
It reaches 8000 mt above the graben floor and rises to almost the same height as the plains surrounding the trough. MareKromium
(5 voti)
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A-h0751_0000_re2.jpgFrame Mars Express RAW n. h0751_0000_re265 visite
(5 voti)
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A-h0751_0000_gr2.jpgFrame Mars Express RAW n. h0751_0000gr265 visite
(5 voti)
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Volcanoes-Ascraeus_Mons-2-027-150304-0068-6-co-01.jpgAscraeus Mons from Mars Express (2 - ESA/ DLR/ FU Berlin - G. Neukum)84 visitevedi il commento al frame precedente
(5 voti)
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Craters-Hale_Crater-134-021104-0533-6-co-02.jpgHale Crater (Natural Colors; credits: G. Neukum (FU Berlin) et al. - Mars Express - DLR - ESA)93 visitenessun commento
(5 voti)
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Volcanoes-Arsia_Mons_and_the_Tharsis_Montes-December_2012-PCF-LXTT-IPF-2.jpgOnce again...356 visiteE' divertente. Sempre lo stesso tipo di "nuvola", sempre lo stesso tipo di conformazione ed orientazione della stessa, sempre "in partenza" dal fianco superiore Sx del gigantesco Vulcano Arsia Mons e sempre interpretata come il frutto di semplici ed ovvi eventi atmosferici. Dalle immagini NASA - Viking - ottenute poco prima dell'inserzione orbitale, negli Anni '80 - ad un'altra serie di immagini ottenute ancora dalla Sonda ESA Mars Express nel 2008.
Questo il commentino ufficiale: "It's not a plume of smoke, but rather water ice clouds condensing out over the Summit of the Arsia Mons Volcano. We see them quite often over this particular volcano" - nota: la Scienziata è una tale Tanya Harrison - Planetary Scientist - NASA - Opportunity Rover Team).
Vi suggerisco, in un Mondo che va sempre più verso il "Pensiero Unico", di guardare questa immagine in correlazione agli altri (citati) eventi similari ed eclatanti occorsi, negli anni, sempre allo stesso posto. Non dubito (o forse si...) della competenza della Dott.ssa Harrison. Dubito della Sua (e non solo) perenne esternazione di certezze. Ecco. E questo atteggiamento, oltre ad irritarmi non poco, mi fa anche paura. Pensateci su. Magari guardando gli altri frames che possediamo e ragionando.
Nota: se doveste chiederVi come mai, di questo evento, parla una Scienziata Planetaria dell'Opportunity Rover Team e non chi se ne intende (davvero) di Vulcanologia e di Scienze Atmosferiche mentre l'ESA - come sempre o quasi fa - non ha detto un tubo, apprezzerei il quesito. Ma Vi dico subito che non saprei rispondere. O meglio: potrei! Ma rischierei la querela...MareKromium
(4 voti)
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Aeolian_Features-Yardangs-Eumenides_Dorsum-ESA-ME-424-20081105-5114-6-co-01-H1-PCF-LXTT-IPF.jpgFeatures of Eumenides Dorsum (Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)109 visiteThis frame, which is a mosaic of several orbital images obtained by the High Resolution Stereo Camera onboard the ESA - Mars Express Orbiter, shows us a number of Surface Features; in particular, and in addition to the presence of Plains, Buttes and just a few ancient and semi-buried Impact Craters, we suggest you to pay some special attention to the unbelievable complex of Sinuous Erosional Surface Striations, known as "Yardangs" (which are the most common Aeolian - meaning "sculpted by Wind" - Features that can be found on the Red Planet), that covers a huge portion of the central part of the picture.
All the abovementioned Surface Features are located in the Eumenides Dorsum Region of Mars, which lies to the West of the Tharsis Volcanic Province and forms part of the Region known as Medusae Fossae, at approx. 2° South Latitude and 206° East Longitude. The images here were taken on the date of December, 26, of the AD 2007; they have a ground resolution of about 13 meters per pixel and cover an area (in total) of about 12.000 square Km.
This frame (which is the Original ESA - Mars Express HRST b/w mosaic n. 424-20081105-5114-6-co-01-H1) has been additionally processed and then colorized in Absolute Natural Colors (such as the colors that a human eye would actually perceive if someone were onboard the ESA - Mars Express Orbiter and then looked down, towards the Surface of Mars), by using an original technique created - and, in time, dramatically improved - by the Lunar Explorer Italia Team. Different colors, as well as different shades of the same color, mean, among others, the existence of different Elements present on the Surface of Mars, each having a different Albedo (---> Reflectivity) and Chemical Composition.MareKromium
(4 voti)
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Aeolian_features-Yardangs-2-s_015_050504_0143_4_3d_01_Yardangs_FAZ-PCF-LXTT.jpgWind-Lanes (Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)222 visiteCaption ESA originale:"Loose sand fragments were transported by wind, and impacted on the Bedrock, slowly removing parts of the Surface, like a sand-blaster. If the winds blow in the same direction for a long enough period, ‘Wind-Lanes’, as shown in the picture, can occur. On Earth, the remnants of these features which have not been eroded away are called ‘Yardangs’. Where the Surface consists of more resistant material, the force of the wind may not be strong enough to cause this sand-blasting. This might be the reason for the three flat regions (the first in the foreground on the left, and the other two on the top right), which measure about 17 by 9 Km".MareKromium
(4 voti)
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Craters-Huygens_Crater-Rim-ESA-PCF-LXTT.jpgDrainage Channels on the Rim of Huygens Crater (Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)191 visitenessun commentoMareKromium
(4 voti)
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A-h0061_0000_re2-00.jpgFrame h0061_0000_re2 - South Polar Vision (Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)245 visitenessun commentoMareKromium
(4 voti)
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CR-h0500_0000_nd3-00-PCF-LXTT.jpgFrame h0500_0000_nd3-00 - Yardangs and Crater Cluster (Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)206 visitenessun commentoMareKromium
(4 voti)
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