A 5-Micron-Bright Spot on Titan: Evidence for Surface Diversity-Reference-Cited by-同舟云学术

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

Published:2005-10-07 Issue:5745 Volume:310 Page:92-95
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Barnes Jason W.¹²³⁴⁵,Brown Robert H.¹²³⁴⁵,Turtle Elizabeth P.¹²³⁴⁵,McEwen Alfred S.¹²³⁴⁵,Lorenz Ralph D.¹²³⁴⁵,Janssen Michael¹²³⁴⁵,Schaller Emily L.¹²³⁴⁵,Brown Michael E.¹²³⁴⁵,Buratti Bonnie J.¹²³⁴⁵,Sotin Christophe¹²³⁴⁵,Griffith Caitlin¹²³⁴⁵,Clark Roger¹²³⁴⁵,Perry Jason¹²³⁴⁵,Fussner Stephanie¹²³⁴⁵,Barbara John¹²³⁴⁵,West Richard¹²³⁴⁵,Elachi Charles¹²³⁴⁵,Bouchez Antonin H.¹²³⁴⁵,Roe Henry G.¹²³⁴⁵,Baines Kevin H.¹²³⁴⁵,Bellucci Giancarlo¹²³⁴⁵,Bibring Jean-Pierre¹²³⁴⁵,Capaccioni Fabrizio¹²³⁴⁵,Cerroni Priscilla¹²³⁴⁵,Combes Michel¹²³⁴⁵,Coradini Angioletta¹²³⁴⁵,Cruikshank Dale P.¹²³⁴⁵,Drossart Pierre¹²³⁴⁵,Formisano Vittorio¹²³⁴⁵,Jaumann Ralf¹²³⁴⁵,Langevin Yves¹²³⁴⁵,Matson Dennis L.¹²³⁴⁵,McCord Thomas B.¹²³⁴⁵,Nicholson Phillip D.¹²³⁴⁵,Sicardy Bruno¹²³⁴⁵

Affiliation:

1. Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85721, USA.

2. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA.

3. Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, USA.

4. Laboratoire de PlaneÌtologie et GeÌodynamique, UMR CNRS 6112, UniversiteÌ de Nantes, France.

5. U.S. Geological Survey, Flagstaff, AZ 86001, USA.

Abstract

Observations from the Cassini Visual and Infrared Mapping Spectrometer show an anomalously bright spot on Titan located at 80Â°W and 20Â°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.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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