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Science 29 January 1982:
Vol. 215. no. 4532, pp. 537 - 543
DOI: 10.1126/science.215.4532.537
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Articles
Photopolarimetry from Voyager 2; Preliminary Results on Saturn, Titan, and the Rings
ARTHUR L. LANE 1,
CHARLES W. HORD 2,
ROBERT A. WEST 2,
LARRY W. ESPOSITO 2,
DAVID L. COFFEEN 3,
MAKIKO SATO 3,
KAREN E. SIMMONS 4,
RICHARD B. POMPHREY 5, and
RICHARD B. MORRIS 5
1 Jet Propulsion Laboratory, California Institute of Technology, Pasadena 91109
2 Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder 80309
3 Goddard Institute for Space Studies, New York 10025
4 Laboratory for Atmospheric and Space Physics, University of Colorado
5 Jet Propulsion Laboratory, California Institute of Technology
The Voyager 2 photopolarimeter was reprogrammed prior to the August 1981 Saturn encounter to perform orthogonal-polarization, two-color measurements on Saturn, Titan, and the rings. Saturn's atmosphere has ultraviolet limb brightening in the mid-latitudes and pronounced polar darkening north of 65°N. Titan's opaque atmosphere shows strong positive polarization at all phase angles (2.7° to 154°), and no single-size spherical particle model appears to fit the data. A single radial stellar occultation of the darkened, shadowed rings indicated a ring thickness of less than 200 meters at several locations and clear evidence for density waves caused by satellite resonances. Multiple, very narrow strands of material were found in the Encke division and within the brightest single strand of the F ring.
Submitted on November 12, 1981
THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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- A. L. Lane, A. L. Lane, R. A. West, C. W. Hord, R. M. Nelson, K. E. Simmons, W. R. Pryor, L. W. Eposito, L. J. Horn, B. D. Wallis, et al. (1989)
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233, 65-70
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- Saturn Ring Particles as Dynamic Ephemeral Bodies.
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223, 396-398
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- L. W. ESPOSITO, N. BORDERIES, P. GOLDREICH, J. N. CUZZI, J. B. HOLBERG, A. L. LANE, R. B. POMPHREY, R. J. TERRILE, J. J. LISSAUER, E. A. MAROUF, et al. (1983)
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221, 361-364
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217, 243-245
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- A New Look at the Saturn System: The Voyager 2 Images.
- B. A. Smith, B. A. SMITH, L. SODERBLOM, R. BATSON, P. BRIDGES, J. INGE, H. MASURSKY, E. SHOEMAKER, R. BEEBE, J. BOYCE, et al. (1982)
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215, 504-537
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