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Science 6 March 1970:
Vol. 167. no. 3923, pp. 1372 - 1373
DOI: 10.1126/science.167.3923.1372
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Articles

Saturn's Rings: Identification of Water Frost

Carl B. Pilcher 1, Clark R. Chapman 1, Larry A. Lebofsky 1, and Hugh H. Kieffer 2

1 Planetary Astronomy Laboratory, Department of Earth and Planetary Sciences, Massachusetts Institute of Technology, Cambridge 02139
2 Department of Planetary and Space Science, University of California, Los Angeles 90024

A recently published infrared spectrum of Saturn's rings resembles our laboratory spectra of water frosts. Furthermore, there are discrepancies between the ring spectrum and ammonia frost spectra in the 2- to 2.5-µ region. These discrepancies render unlikely a reported ideti tification of ammonia frost in the ring spectrum.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Saturn Ring Particles as Dynamic Ephemeral Bodies.
D. R. DAVIS, S. J. WEIDENSCHILLING, C. R. CHAPMAN, and R. GREENBERG (1984)
Science 224, 744-747
   Abstract »    PDF »
Uranus: The Rings Are Black.
W. M. Sinton and W. M. SINTON (1977)
Science 198, 503-504
   Abstract »    PDF »
New Rules for AAAS-Newcomb Cleveland Prize.
(1976)
Science 194, 835
   PDF »
Io: A Surface Evaporite Deposit?.
F. P. Fanale, F. P. Fanale, T. V. Johnson, and D. L. Matson (1974)
Science 186, 922-925
   Abstract »    PDF »
Galilean Satellites: Identification of Water Frost.
C. B. Pilcher, C. B. Pilcher, S. T. Ridgway, and T. B. McCord (1972)
Science 178, 1087-1089
   Abstract »    PDF »


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