Titan probe yields fresh images
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Scientists release results from Huygens' journey to Saturn's moon, revealing evidence of flooding on the surface.
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Scientists are about to get their first really close and revealing look at Titan, the invitingly mysterious giant moon of Saturn. The Cassini spacecraft is
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PASADENA, Calif.  - The world got its first look  at the surface of the Saturnian moon Titan on Friday when  pictures from the European space probe Huygens showed a  possibly rocky surface with "drainage channels" for liquids.
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Images began streaming into the Cassini space mission&#39;s imaging team Tuesday night, bringing detailed pictures of Titan&#39;s surface.
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Data sent back by the Huygens space probe from the Saturnian moon Titan show a frozen, orange world shrouded in a methane-rich haze with dark ice rocks dotting a riverbed-like surface the consistency of wet sand, scientists said on Saturday.
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Microwave brightness of Titan reveals surface properties such as temperature composition and roughness. Image Credit: NASA/JPL. Looking at radar reflections of Titan, scientists are puzzled by what they see
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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 of the hazy moon.
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The international Cassini spacecraft began unveiling Saturn's mysterious sidekick Titan with a stream of increasingly sharp pictures of the surface taken during a flyby within 745 miles of the hazy moon.
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The solar system&#39;s smoggiest orb appears to have landscapes both foreign and familiar, say geologists who are sorting through the first up-close peek at Saturn&#39;s planet-sized moon Titan.
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Pictures snapped by the Titan probe and a low, whooshing sound picked up by an on-board microphone drew gasps and applause from scientists, as the mission to Saturn's moon continued its breathtaking revelations from more than 900 million miles across the solar system.
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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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Saturn's moon Titan is covered by  "dirty" ice ridges and seas of liquid natural gas, a team of  scientists said on Friday after a week of research into data  from the space probe Huygens.
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This radar image of the surface of Saturn&#39;s moon Titan was acquired on October 26, 2004, when the Cassini spacecraft flew approximately 1,200 kilometers (745 miles) above the surface and acquired radar data for the first time.
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New pictures of Saturn's moon Titan and other observations show that the Huygens spacecraft landed on a spongy surface like wet sand or soft clay, possibly saturated with liquid methane.
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Scientists examining pictures sent back from the Cassini spacecraft think they may be closer to showing there is liquid on Saturn's moon Titan.
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The European-built space probe Huygens entered the atmosphere of Saturn's largest moon, Titan, on Friday, sending back indications it was alive and well and leaving scientists eager for its first research data.
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Scientists identify in images the area of Saturn's moon Titan where the Huygens probe touched down.