International research team reports on the Earth-like surface of Saturns moon Titan
Panorama of Titan from a height of eight kilometres. The circle shows the region where the space probe "Huygens" landed. The coloured area shows what Titan would look like to an observer standing on its surface. The orange colour comes from the absorption of the short-wave blue and green sunlight in Titans atmosphere. Image: MPS/ University of Arizona/ESA/NASA
Titans surface after landing: the picture is taken from a height of about 40 centimetres. The biggest "stones" are about 15 centimetres in diameter. Image: MPS/ University of Arizona/ESA/NASA
Conditions on Saturns moon Titan, with its dense atmosphere, are similar to those on Earth early in our solar system. Pictures and spectral analysis of Titans surface, recorded by an international scientific team including researchers from the Max Planck Institute for Solar System Research (MPS), show a dried-out "river" landscape. Evaluating the data has now shown that methane on Titan exists in solid, liquid, and gas states, and plays a similar role in Titans atmosphere and on its surface that water plays on Earth. Water ice on Titan congeals to be similar to stone on Earth: it makes up a major component of the Titans surface. "Stones" made presumably largely of water ice show signs of erosion and transport through a liquid. (Nature, Advanced Online Publication, November 30, 2005).
With a diameter of about 5,150 kilometres, Titan is the largest moon of Saturn. It has a dense atmosphere which we mostly cannot see through. Until recently, Titan was one of the few objects in the solar system whose surface was not researched. In 1997, the Cassini/Huygens mission to Saturn was launched. The NASA spaceship Cassini reached Saturns orbit in 2004 and since then has been investigating the ringed planet and its moons. The Huygens probe of the European Space Agency ESA separated from Cassini at the end of 2004 and landed on Titan on January 14, 2005, after a two-and-a-half hour descent through the atmosphere.
Dr. Andreas Trepte | Max Planck Society
From rocks in Colorado, evidence of a 'chaotic solar system'
23.02.2017 | University of Wisconsin-Madison
Prediction: More gas-giants will be found orbiting Sun-like stars
22.02.2017 | Carnegie Institution for Science
Cells need to repair damaged DNA in our genes to prevent the development of cancer and other diseases. Our cells therefore activate and send “repair-proteins”...
The Fraunhofer IWS Dresden and Technische Universität Dresden inaugurated their jointly operated Center for Additive Manufacturing Dresden (AMCD) with a festive ceremony on February 7, 2017. Scientists from various disciplines perform research on materials, additive manufacturing processes and innovative technologies, which build up components in a layer by layer process. This technology opens up new horizons for component design and combinations of functions. For example during fabrication, electrical conductors and sensors are already able to be additively manufactured into components. They provide information about stress conditions of a product during operation.
The 3D-printing technology, or additive manufacturing as it is often called, has long made the step out of scientific research laboratories into industrial...
Nature does amazing things with limited design materials. Grass, for example, can support its own weight, resist strong wind loads, and recover after being...
Nanometer-scale magnetic perforated grids could create new possibilities for computing. Together with international colleagues, scientists from the Helmholtz Zentrum Dresden-Rossendorf (HZDR) have shown how a cobalt grid can be reliably programmed at room temperature. In addition they discovered that for every hole ("antidot") three magnetic states can be configured. The results have been published in the journal "Scientific Reports".
Physicist Dr. Rantej Bali from the HZDR, together with scientists from Singapore and Australia, designed a special grid structure in a thin layer of cobalt in...
13.02.2017 | Event News
10.02.2017 | Event News
09.02.2017 | Event News
23.02.2017 | Physics and Astronomy
23.02.2017 | Earth Sciences
23.02.2017 | Life Sciences