Belton, Michael J. S. and Gierasch, Peter J. and Smith, Michael D. and Helfenstein, Paul and Schinder, Paul J. and Pollack, James B. and Rages, Kathy A. and Ingersoll, Andrew P. and Klaasen, Kenneth P. and Veverka, Joseph and Anger, Clifford D. and Carr, Michael H and Chapman, Clark R. and Davies, Merton E. and Fanale, Fraser P. and Greeley, Ronald and Greenberg, Richard and Head, James W., III and Morrison, David and Neukum, Gerhard and Pilcher, Carl B. (1991) Images from Galileo of the Venus Cloud Deck. Science, 253 (5027). pp. 1531-1536. ISSN 0036-8075. doi:10.1126/science.253.5027.1531. https://resolver.caltech.edu/CaltechAUTHORS:20131003-162350465
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Abstract
Images of Venus taken at 418 (violet) and 986 [near-infrared (NIR)] nanometers show that the morphology and motions of large-scale features change with depth in the cloud deck. Poleward meridional velocities, seen in both spectral regions, are much reduced in the NIR. In the south polar region the markings in the two wavelength bands are strongly anticorrelated. The images follow the changing state of the upper cloud layer downwind of the subsolar point, and the zonal flow field shows a longitudinal periodicity that may be coupled to the formation of large-scale planetary waves. No optical lightning was detected.
| Item Type: | Article | |||||||||
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| Additional Information: | © 1991 American Association for the Advancement of Science. Revision received 21 June 1991; Accepted for publication 29 July 1991. We gratefully acknowledge an internal review of the manuscript by G. Schubert and the assistance of H. Breneman, B. Carcich, C. Cunningham, E. DeJong, S. Howell, B. Paczkowski, T. Thompson, A Toigo, and L Wainio in the planning and execution of the SSI experiment and the subsequent reduction of the data. | |||||||||
| Issue or Number: | 5027 | |||||||||
| DOI: | 10.1126/science.253.5027.1531 | |||||||||
| Record Number: | CaltechAUTHORS:20131003-162350465 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20131003-162350465 | |||||||||
| Official Citation: | MICHAEL J. S. BELTON, PETER J. GIERASCH, MICHAEL D. SMITH, PAUL HELFENSTEIN, PAUL J. SCHINDER, JAMES B. POLLACK, KATHY A. RAGES, ANDREW P. INGERSOLL, KENNETH P. KLAASEN, JOSEPH VEVERKA, CLIFFORD D. ANGER, MICHAEL H. CARR, CLARK R. CHAPMAN, MERTON E. DAVIES, FRASER P. FANALE, RONALD GREELEY, RICHARD GREENBERG, JAMES W. HEAD III, DAVID MORRISON, GERHARD NEUKUM, and CARL B. PILCHER Science 27 September 1991: 253 (5027), 1531-1536. [DOI:10.1126/science.253.5027.1531] | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 41666 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | INVALID USER | |||||||||
| Deposited On: | 09 Oct 2013 15:00 | |||||||||
| Last Modified: | 10 Nov 2021 04:32 |
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