A 5-Micron-Bright Spot on Titan: Evidence for Surface Diversity

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Science  07 Oct 2005:
Vol. 310, Issue 5745, pp. 92-95
DOI: 10.1126/science.1117075

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Observations from the Cassini Visual and Infrared Mapping Spectrometer show an anomalously bright spot on Titan located at 80°W and 20°S. This area is bright in reflected light at all observed wavelengths, but is most noticeable at 5 microns. The spot is associated with a surface albedo feature identified in images taken by the Cassini Imaging Science Subsystem. We discuss various hypotheses about the source of the spot, reaching the conclusion that the spot is probably due to variation in surface composition, perhaps associated with recent geophysical phenomena.

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