HTTP:: Fog Seen on Titan 039 s South Pole
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Astronomers were puzzled to discover fog on Titan, one of Saturn's most intriguing moons. In spite of the fact that they knew it supported an active methane hydrological cycle, the team had absolutely no idea that surface-atmosphere exchanges appeared as well. The find is the first ever to reveal the fact that the moon's hydrological processes are similar to those on our planet. However, it is safe to say that the fog was not made up of water vapors, as Titan is covered in hydrocarbon lakes, most notably methane, arXiv reports. The observations that led to the discovery of fog were conducted using the Visible and Infrared Mapping Spectrometer (VIMS) instrument, aboard the Cassini spacecraft. The investigation was done by M.E. Brown, A.L. Smith, and C.Chen, all from the California Institute of Technology (Caltech) Division of Geological and Planetary Sciences. M. Adamkovics, from the University of California in Berkeley (UCB) Department of Astronomy also contributed to the !
research. The team's conclusions point at the fact that the fog in Titan's atmosphere could only have formed from the evaporation of liquid methane or ethane from the lakes on the surface. In recent studies, it was revealed that the late summer season on the moon was a time when the South Pole regions were filled with liquid hydrocarbons, and many...
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Tuesday, September 1, 2009
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