Dione and Titan: Zooming Into View
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The map of Saturn&#39;s moon Dione, generated from Cassini images taken during the spacecraft&#39;s first two orbits of Saturn, illustrates in the banner image, the imaging coverage planned during Cassini&#39;s first Dione flyby on Dec. 14, 2004.
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Scientists controlling the cameras aboard the Cassini spacecraft in orbit around Saturn have just recovered two extraordinary, contrasting images of the planet&#39;s most intriguing moons.
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Today the NASA/ESA/ASI Cassini-Huygens spacecraft makes a fly-by of Saturn&#39;s largest moon Titan - the closest ever performed. At the time of the closest approach, which is scheduled for 18:44 CEST, the spacecraft
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This image reveals the odd shape of Saturn&#39;s moon Hyperion and an intriguing variation in brightness across its surface. The diameter of Hyperion is 266 kilometers (165 miles).
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The Cassini spacecraft&#39;s cameras revealed sharp but puzzling pictures of Saturn&#39;s moon Titan that captivated planetary scientists Tuesday night as the first-ever close-ups
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The tallest mountains ever seen on Titan -- coated with layers of organic material and blanketed by clouds -- have been imaged on Saturn's moon Titan by NASA's Cassini spacecraft.
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The Cassini spacecraft has sent back the first detailed pictures of the Saturnâs largest moon, Titan, showing a sharply-defined but nevertheless mysterious landscape of light and dark regions.
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The international Cassini spacecraft began unveiling Saturn&#39;s mysterious sidekick Titan with a stream of increasingly sharp pictures of the surface taken during a flyby within 745 miles (1,198 kilometers) of the hazy moon.
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Summary - (Dec 15, 2004) Just days after completing its second flyby of Titan, Saturn&#39;s largest moon, Cassini proceeded on to its next target: Dione, Saturn&#39;s 4th largest moon.
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Scientists are delighted, fascinated and thoroughly perplexed by the Cassini spacecraft's first close-up pictures of Titan, the smoggy giant moon of Saturn.
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LOS ANGELES -- NASA&#39;s Cassini spacecraft on Tuesday made its closest pass yet to to Titan, Saturn&#39;s largest moon. The spacecraft took the first detailed pictures ever of the moon&#39;s surface.
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NASA scientists, looking at the first close-up images of Titan, were able to peer through the atmosphere of the Saturn moon enough to see a checkered landscape under surprisingly clear skies.
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Two days after Cassini&#39;s close encounter with Titan captured the first ever close-up images, it is becoming clear that Saturn&#39;s giant moon is a complex and strange world.
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Titan 'T28' Mosaic (top image)Bright and dark terrain on Titan's trailing hemisphere is revealed by Cassini's Imaging Science Subsystem in this mosaic of images taken during the T28 flyby in April 2007.The region shown in this image, centred on the northern part of Titan's trailing hemisphere (near 31.2Â° North, 139.3Â° East), had only been seen at very low resolution until February 2007, when Cassini flew over this area for the first time. This mosaic consists of images taken during one of a series of flybys in early 2007 designed to study this long unavailable part of Titan (5150 kilometres across). Several intriguing surface features that warrant further study can be seen in this mosaic. Along the top of the mosaic is a series of dark lineaments, or linear features, that stand out against the bland northern, mid-latitude terrain. These features were also observed by the RADAR instrument in December 2006 and represent an area of potential future co-analysis for the RADAR and camera teams. Another such region is the large bright area known as Adiri at bottom centre, also imaged by RADAR in October 2005. The mosaic shows a number of dark areas within Adiri that line up with small dune fields observed by RADAR. A portion of the dark terrain surrounding Adiri was also observed by RADAR in 2005 and was similarly found to consist of large stretches of longitudinal dune fields - further supporting the correlation between equatorial dark regions and dune 'seas'. To the east of Adiri is a dark spot surrounded by a ring of bright material, which may be associated with an impact crater similar to Sinlap, discovered earlier in the mission. This mosaic consists of 29 separate frames using a total of 116 images. Each frame consists of three images, taken using a filter sensitive to near-infrared light centred at 938 nanometres, allowing for observations of Titan's surface and lower atmosphere, added together. An image taken using a filter sensitive to visible light centred at 619 nanometres was then subtracted from the product, effectively removing the lower atmosphere contribution to the brightness values in the image, increasing image contrast and improving the visibility of surface features. This process is also intended to reduce noise, but some camera artefacts still remain, such as a dark ring caused by dust in the camera system near the bottom right of each frame. The images used for this mosaic were taken on April 11, 2007 from distances ranging from 106 000 to 180 000 kilometres. This mosaic is in an orthographic projection with a pixel scale of 1.5 kilometres per pixel, although the size of resolvable features is likely several times larger, due to atmospheric scattering. An orthographic view is most like the view seen by a distant observer looking through a telescope.Titan 'T28' View
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The Cassini-Huygens spacecraft on Tuesday returned the first close-up glimpses of Titan, one of Saturn&#39;s moons. Mission controllers at NASA&#39;s Jet Propulsion Laboratory in Pasadena unveiled ghostly images from the flyby Tuesday night.
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Scientists analysing data captured by the Cassini-Huygens spacecraft as it swept past Saturn&#39;s moon Titan, have described a cold landscape carved by winds and perhaps puddled with organic lakes.
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Description: Images of Saturn&#39;s moon Titan sent back by the Cassini spacecraft show the outlines of what could be continents, lakes or something else entirely.