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Physics News Update
Number 203 (Story #4), November 17, 1994 by Phillip F. Schewe and Ben Stein

TITAN MAY HAVE OCEANS. New observations by the Hubble Space Telescope, reported by Peter Smith of the University of Arizona at a recent astronomy meeting in Bethesda, Maryland, reveal several light and dark patches on the surface of Saturn's large moon. One continent-sized bright patch, for instance, may be a block of water ice and ammonia ice, while dark areas may be hydrocarbon oceans. Ambiguities in interpreting the observations (made at near-infrared wavelengths) come from the possibility that the patches might be indicative of features in Titan's hazy atmosphere rather than of oceans on the surface. (Science News, 12 November 1994.)