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| Immagini a caso - SOLAR SYSTEM |
ZN-Messenger to Mercury.jpgMessenger going to Mercury82 visiteE, per concludere questo brevissimo "fly-by" fotografico di Mercurio, Vi offriamo una fotografia che contiene, in fondo, un pò di "speranza": è l'immagine della partenza della Sonda Messenger verso Mercurio.
Ci rivedremo fra qualche anno - se tutto andrà bene - con nuove fotografie ed informazioni provenienti da un mondo davvero poco conosciuto.
Se saremo bravi (e fortunati) troveremo senz'altro alcune risposte a molti quesiti, e certo non mancherà del materiale per porsi nuove domande e sbirciare nell'Ignoto, nei suoi Misteri, nei suoi Enigmi e nelle sue Anomalie.
Ed è per questi motivi (e per mille altri che non conosciamo ma che certamente esistono) che il Viaggio della Scienza è - e rimane - sempre e comunque, un Viaggio Infinito!
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Tethys-PIA10547.jpgPenelope's still waiting... (possible True Colors; credits: Lunar Explorer Italia)53 visiteCaption NASA:"The Terminator encroaches upon Penelope, one of the largest craters on Saturn's moon Tethys. Two other large craters, Polyphemus and Phemius, are visible near the Limb in this view of the southern portions of Tethys' Trailing Hemisphere.
The far Rim of Phemius disrupts the smooth profile of the icy moon's limb. (Features on Tethys are named from characters and places mentioned in "The Odyssey")
The image was taken in Visible Light with the Cassini Spacecraft narrow-angle camera on Nov. 24, 2008 at a distance of approximately 62,000 kilometers (38,000 miles) from Tethys and at a Sun-Tethys-Spacecraft, or Phase, Angle of 94°. Image scale is 366 meters (about 1200 feet) per pixel".MareKromium
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Tethys-PIA07571.jpgTethys and...Odysseus53 visiteCaption NASA originale:"Saturn's moon Tethys displays its distinctive dark equatorial band here, along with two sizeable impact craters in the West. The larger crater to the North is Odysseus, which has a diameter (450 Km across) that is a substantial fraction of the Moon's width - remember that Tethys is 1.071 Km (about 665 miles) across.
Several moons in the Outer Solar System have large impact features like Odysseus and scientists are interested in learning how such powerful impacts have altered the moons' surfaces.
The image was taken in visible light with the Cassini spacecraft narrow-angle camera on July 10, 2005, at a distance of approx. 1,8 MKM (such as 1,1 MMs) from Tethys. The image scale is 11 Km (about 7 miles) per pixel. The image has been magnified by a factor of two to aid visibility".
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Europa-Craters-Unnamed_Crater-PIA00294.jpgFresh features on Europa53 visiteA newly discovered impact crater can be seen just right of the center of this image of Jupiter's moon Europa returned by NASA's Galileo spacecraft camera. The crater is about 30 kilometers (18.5 miles) in diameter. The impact excavated into Europa's icy crust, throwing debris (seen as whitish material) across the surrounding terrain. Also visible is a dark band, named Belus Linea, extending east-west across the image. This type of feature, which scientists call a 'triple band,' is characterized by a bright stripe down the middle. The outer margins of this and other triple bands are diffuse, suggesting that the dark material was put there as a result of possible geyser-like activity which shot gas and rocky debris from Europa's interior. The curving 'X' pattern seen in the lower left corner of the image appears to represent fracturing of the icy crust and infilling by slush which froze in place. The crater is centered at about 2 degrees north latitude by 239 degrees west longitude. The image was taken from a distance of 156,000 kilometers (about 96,300 miles) on June 27, 1996, during Galileo's first orbit around Jupiter. The area shown is 860 by 700 kilometers (530 by 430 miles), or about the size of Oregon and Washington combined.
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Saturn + 2-N00019308.jpgSatrun, one little Moon and "something else" - N 0001930754 visiteInnanzitutto il commento NASA originale: "N00019308.jpg was taken on September 24, 2004 and received on Earth September 25, 2004. The camera was pointing toward SATURN at approx. 7.752.875 Km away and the image was taken using the CL1 and UV3 filters".
Si vede subito che c'è un altro oggetto luminoso, accanto a Saturno, oltre alla Luna che avevamo già notato nel frame precedente. Se ingrandite l'immagine, poi, ecco la sorpresa: l'oggetto "nuovo" sembra essere il centro (o la causa?) di una sorta di "esplosione". Se osservate attentamente nell'area centrale dell'esplosione (!) vedrete qualcosa di simile ad un triangolino bianco: un effetto della possibile eccessiva luminosità dell'epicentro del fenomeno. Dunque, di che cosa si tratta?
Ancora un errore/difetto nella/della trasmisione dati? Una cometa che si disintegra?
E' purtroppo probabile che non lo sapremo mai, tuttavia il fenomeno immortalato (crediamo in maniera del tutto casuale) dalla Sonda potrebbe anche essere di valore storico. Potrebbe...
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Saturn-PIA08213-br500.jpgThe "Ringed Beauty"!53 visitenessun commento
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Prometheus.jpgPrometheus55 visitenessun commentoMareKromium
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Titan-N00121492.jpgTitan (natural colors; credits: Lunexit)55 visitenessun commentoMareKromium
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| Ultimi arrivi - SOLAR SYSTEM |
Voyagers-InterstellarSpace9-jpg.jpgVoyager 1 is still alive!109 visitenessun commentoMareKromiumFeb 04, 2024
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Voyagers-InterstellarSpace8d.jpgThe Infinite and Beyond126 visitenessun commentoMareKromiumFeb 04, 2024
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Enceladus-PIA20522enceladusC.jpgCrescent Enceladus (Credits: NASA/JPL/Cassini Imaging Team)114 visitePeering from the shadows, the Saturn-facing hemisphere of tantalizing inner moon Enceladus poses in this Cassini spacecraft image. North is up in the dramatic scene captured during November 2016 as Cassini's camera was pointed in a nearly sunward direction about 130,000 kilometers from the moon's bright crescent. In fact, the distant world reflects over 90 percent of the sunlight it receives, giving its surface about the same reflectivity as fresh snow. A mere 500 kilometers in diameter, Enceladus is a surprisingly active moon. Data and images collected during Cassini's flybys have revealed water vapor and ice grains spewing from south polar geysers and evidence of an ocean of liquid water hidden beneath the moon's icy crust.MareKromiumDic 31, 2023
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Raffinerie.jpgI Love this!!!383 visiteI am sick and tired of the "Green B.S.". Our planet is sick, ok.
But "our" contributions to this situation are minimal. "Green" is just a color that now has become a great business and, at the same time, simple baby food for highly suggestible people.
Wake Up! And if you do not agree with me, it is your problem.
Basta con le cazzate eco-green: ci credono solo i fessi e gli incompetenti (ossia il 99% della popolazione mondiale). E comunque, anche se fossero vere tutte le balle che ci raccontano, ogni misura che ponessimo in essere ora sarebbe comunque futile e tardiva.
Pensateci su...MareKromiumNov 07, 2023
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ZZ-Falling_on_Saturn.jpgEnd of Mission (Artistic View)272 visitenessun commentoMareKromiumOtt 15, 2023
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Bardarbunga.jpgBardarbunga246 visiteMother Earth when is pissed...
And, please, do not confuse this funny-named Icelandic Volcano with the Italian "Bunga-Bunga" dance (or party)...MareKromiumAgo 15, 2023
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Jupiter-Juno-Rings.jpgFrom inside the Rings95 visitenessun commentoMareKromiumAgo 15, 2023
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Ganymede_-_Juno.jpgGanymede from Juno99 visitenessun commentoMareKromiumAgo 15, 2023
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