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 from the Jet Propulsion Laboratory have pieced together the most detailed images of two Saturnian moons from pictures the Cassini orbiter captured at the end of October.
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A giant cloud half the size of the United States has been imaged on Saturn's moon Titan by the Cassini spacecraft. The cloud may be responsible for the material that fills the lakes discovered last year by Cassini's radar instrument.
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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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A NASA spacecraft has found evidence of huge seas, likely filled with liquid methane or ethane, in the high northern latitudes of Saturn&#39;s moon Titan.
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The Cassini spacecraft has sent back images of Saturn&#39;s moon Titan giving scientists the closest views yet of the mysterious satellite.
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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 Cassini probe finds evidence for seas on Saturn's moon Titan - probably filled with liquid hydrocarbons.
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NASA scientists studying images from the Cassini spacecraft's encounter with Saturn's moon Titan, said on Wednesday they were mystified by masses of bright and dark material and surprised at the celestial body's apparent youthful 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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Scientists identify the area of Saturn's moon Titan where the Huygens spacecraft touched down in new images released by the European Space Agency.
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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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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 spacecraft passed within 746 miles of Titan&#39;s surface and should send back pictures 100 times sharper than past views. Those images are to be released beginning today.
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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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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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The international Cassini spacecraft is providing evidence that Saturn's planet-size moon Titan is geologically alive and has active atmospheric processes that could be moving material, possibly even liquids, on its surface, scientists said Thursday.