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Science 6 July 1979:
Vol. 205. no. 4401, pp. 74 - 76
DOI: 10.1126/science.205.4401.74
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Articles

Cloud Images from the Pioneer Venus Orbiter

L. D. TRAVIS 1, D. L. COFFEEN 1, A. D. DEL GENIO 1, J. E. HANSEN 1, K. KAWABATA 1, A. A. LACIS 1, W. A. LANE 1, S. S. LIMAYE 1, W. B. ROSSOW 1, and P. H. STONE 2

1 NASA Goddard Institute for Space Studies, Goddard Space Flight Center, New York 10025
2 Department of Meteorology, Massachusetts Institute of Technology, Cambridge 02139

Ultraviolet images of Venus over a 3-month period show marked evolution of the planetary scale features in the cloud patterns. The dark horizontal Y feature recurs quasi-periodically, at intervals of about 4 days, but it has also been absent for periods of several weeks. Bow-shaped features observed in Pioneer Venus images are farther upstream from the subsolar point than those in Mariner 10 images.

Submitted on May 15, 1979


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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Sulfur Dioxide: Episodic Injection Shows Evidence for Active Venus Volcanism.
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