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Science 4 November 1977:
Vol. 198. no. 4316, pp. 503 - 504
DOI: 10.1126/science.198.4316.503
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Articles

Uranus: The Rings Are Black

WILLIAM M. SINTON 1

1 Institute for Astronomy, University of Hawaii, Honolulu 96822

An upper limit of 0.05 is established for the geometric albedo of the newly discovered rings of Uranus. In view of this very low albedo, the particles of the rings cannot be ice-covered as are those of rings A and B of Saturn.

Submitted on May 5, 1977
Revised on June 22, 1977


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Rings of Uranus: Invisible and Impossible?.
T. C. VAN FLANDERN (1979)
Science 204, 1076-1077
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Science. ISSN 0036-8075 (print), 1095-9203 (online)