Showing posts with label saturn. Show all posts
Showing posts with label saturn. Show all posts
Monday, 14 August 2017
Saturn
Saturn

NASAs Cassini spacecraft peers toward a sliver of Saturns sunlit atmosphere while the icy rings stretch across the foreground as a dark band.
This view looks toward the unilluminated side of the rings from about 7 degrees below the ring plane. The image was taken in green light with the Cassini spacecraft wide-angle camera on March 31, 2017.
The view was obtained at a distance of approximately 620,000 miles (1 million kilometers) from Saturn. Image scale is 38 miles (61 kilometers) per pixel.
Image Credit: NASA/JPL-Caltech/Space Science Institute
Explanation from: https://photojournal.jpl.nasa.gov/catalog/PIA21334
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Friday, 11 August 2017
Saturn and Mimas
Saturn and Mimas

From high above Saturns northern hemisphere, NASAs Cassini spacecraft gazes over the planets north pole, with its intriguing hexagon and bullseye-like central vortex.
Saturns moon Mimas is visible as a mere speck near upper right. At 246 miles (396 kilometers across) across, Mimas is considered a medium-sized moon. It is large enough for its own gravity to have made it round, but isnt one of the really large moons in our solar system, like Titan. Even enormous Titan is tiny beside the mighty gas giant Saturn.
This view looks toward Saturn from the sunlit side of the rings, from about 27 degrees above the ring plane. The image was taken in green light with the Cassini spacecraft wide-angle camera on March 27, 2017.
The view was acquired at a distance of approximately 617,000 miles (993,000 kilometers) from Saturn. Image scale is 37 miles (59 kilometers) per pixel. Mimas brightness has been enhanced by a factor of 3 in this image to make it easier to see.
Image Credit: NASA/JPL-Caltech/Space Science Institute
Explanation from: https://photojournal.jpl.nasa.gov/catalog/PIA21331
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Tuesday, 8 August 2017
Saturn Titan and Tethys
Saturn Titan and Tethys

Titan emerges from behind Saturn, while Tethys streaks into view, in this colorful scene. Saturns shadow darkens the far arm of the rings near the planets limb.
Titan is 5,150 kilometers (3,200 miles) wide; Tethys is 1,071 kilometers (665 miles) wide.
This view looks toward the unilluminated side of the rings from about 3 degrees above the ringplane. Images taken using red, green and blue spectral filters were combined to create this natural color view. The images were acquired with the Cassini spacecraft wide-angle camera on Jan. 30, 2008 at a distance of approximately 1.3 million kilometers (800,000 miles) from Saturn. Image scale is 77 kilometers (48 miles) per pixel on Saturn.
Image Credit: NASA/JPL/Space Science Institute
Explanation from: https://photojournal.jpl.nasa.gov/catalog/PIA09864
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Thursday, 3 August 2017
Saturn and Tethys
Saturn and Tethys

NASAs Cassini gazes across the icy rings of Saturn toward the icy moon Tethys, whose night side is illuminated by Saturnshine, or sunlight reflected by the planet.
Tethys was on the far side of Saturn with respect to Cassini here; an observer looking upward from the moons surface toward Cassini would see Saturns illuminated disk filling the sky.
Tethys was brightened by a factor of two in this image to increase its visibility. A sliver of the moons sunlit northern hemisphere is seen at top. A bright wedge of Saturns sunlit side is seen at lower left.
This view looks toward the sunlit side of the rings from about 10 degrees above the ring plane. The image was taken in visible light with the Cassini spacecraft wide-angle camera on May 13, 2017.
The view was acquired at a distance of approximately 750,000 miles (1.2 million kilometers) from Saturn and at a Sun-Saturn-spacecraft, or phase, angle of 140 degrees. Image scale is 43 miles (70 kilometers) per pixel on Saturn. The distance to Tethys was about 930,000 miles (1.5 million kilometers). The image scale on Tethys is about 56 miles (90 kilometers) per pixel.
Image Credit: NASA/JPL-Caltech/Space Science Institute
Explanation from: https://photojournal.jpl.nasa.gov/catalog/PIA21342
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