May exist on Titan, methane volcano.

9 <P> French scientists published in the British "Nature" magazine reported that the Cassini - Huygens Saturn probe in the "Titan" may accidentally discovered volcanic methane jet, but did not find .Scientists expect sea or lake. .</ P> <P> previous research found that Titan's atmosphere contains methane, scientists speculated that the satellite may contain giant hydrocarbon lakes, the gas evaporate into the atmosphere. .However, scientists at the University of Nantes in France reported that the Cassini - Huygens probe visual infrared mapping spectrometer used, the surface of Titan through the fog of a large number of images captured, but did not find a lake or .ocean. .Instead, the image shows Titan's surface there is a dome structure 30 km in diameter, the top depression, looks like a crater. .</ P> <P> scientists speculate that Titan has a shell of ice, about several tens of kilometers thick, the surface of Titan is slow in running, pulled out of the deep substance of Titan, Titan deep .Methane also will be brought to the surface of Titan, and into the atmosphere. .</ P>.