| Ultimi arrivi - Saturn: the "Ringed Beauty" and His Moons |
Janus_Prometheus-PIA08994.jpgJanus & Prometheus64 visiteCaption NASA:"The Cassini spacecraft spies two of the small, irregular moons that patrol the outer edges of Saturn's Main Rings.
Prometheus (102 Km, or approx. 63 miles across) hugs the interior of the F-Ring right of center, while Janus (181 Km, or about 113 miles across) hangs in the foreground below center. Hints of craters can be seen on Janus.
This view looks toward the unilluminated side of the Rings from less than 1° above the Ring-Plane.
The image was taken in visible light with the Cassini spacecraft narrow-angle camera on June 14, 2007 at a distance of approx. 1,6 MKM (1 MMs) from Saturn.
Image scale is roughly 10 Km (about 6 miles) per pixel".MareKromiumLug 31, 2007
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Saturn-PIA08992.jpgSurging Across the Rings58 visiteCaption NASA:"A surge in brightness appears on the Rings directly opposite the Sun from the Cassini Spacecraft. This "opposition surge" travels across the Rings as the Spacecraft watches. This view looks toward the sunlit side of the Rings from about 9° below the Ring-Plane.
The image was taken in visible light with the Cassini spacecraft wide-angle camera on June 12, 2007 using a spectral filter sensitive to wavelengths of infrared light centered at 853 nanometers.
The view was acquired at a distance of approx. 524.374 Km (such as about 325.830 miles) from Saturn.
Image scale is 31 Km (about 19 miles) per pixel".MareKromiumLug 27, 2007
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Dione-N00086970.jpgSpace Encounter: Dione and Prometheus (6)56 visitenessun commentoMareKromiumLug 25, 2007
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Dione-N00086879.jpgSpace Encounter: Dione and Prometheus (1)62 visitenessun commentoMareKromiumLug 25, 2007
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Dione-N00086940.jpgSpace Encounter: Dione and Prometheus (2)56 visitenessun commentoMareKromiumLug 25, 2007
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Dione-N00086957.jpgSpace Encounter: Dione and Prometheus (3)59 visitenessun commentoMareKromiumLug 25, 2007
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Dione-N00086961.jpgSpace Encounter: Dione and Prometheus (4)98 visitenessun commentoMareKromiumLug 25, 2007
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Dione-N00086962.jpgSpace Encounter: Dione and Prometheus (5)57 visitenessun commentoMareKromiumLug 25, 2007
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Hyperion-N00086894.jpgTumbling Hyperion, again!57 visiteCaption NASA:"N00086894.jpg was taken on July 23, 2007 and received on Earth July 23, 2007. The camera was pointing toward HYPERION that, at the time, was approximately 330.862 Km away.
The image was taken using the CL1 and IR3 filters and it has not been validated or calibrated".MareKromiumLug 25, 2007
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Enceladus-N00086997.jpgSpace Encounter: Enceladus and Tethys (6)55 visitenessun commentoMareKromiumLug 25, 2007
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Enceladus-N00086998.jpgSpace Encounter: Enceladus and Tethys (7)62 visiteNota: invitiamo il Lettore ad osservare con attenzione il margine Sx (Dx di chi guarda) del Corpo Celeste Maggiore, circa ad ore 3. A nostro parere, anche se la definizione del frame non è certo ottima, si riesce ad intravedere il cratere Penelope.MareKromiumLug 25, 2007
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Enceladus-N00087000.jpgSpace Encounter: Enceladus and Tethys (8)56 visitenessun commentoMareKromiumLug 25, 2007
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