Note to users. If you're seeing this message, it means that your browser cannot find this page's style/presentation instructions -- or possibly that you are using a browser that does not support current Web standards. Find out more about why this message is appearing, and what you can do to make your experience of our site the best it can be.

Science 13 August 1982:
Vol. 217. no. 4560, pp. 640 - 642
DOI: 10.1126/science.217.4560.640
Prev | Table of Contents | Next

Articles

Venus: Global Surface Radar Reflectivity

G. H. PETTENGILL 1, P. G. FORD 1, and S. NOZETTE 1

1 Department of Earth and Planetary Sciences, Massachusetts Institute of Technology, Cambridge 02139

Observations of the surface of Venus, carried out by the Pioneer Venus radar mapper at a wavelength of 17 centimeters, reveal a global mean reflectivity at normal incidence of 0.13 ± 0.03. Over the surface, variations from a low of 0.03 ± 0.01 to a high of 0.4 ± 0.1 are found, with Theia Mons, previously identified as possibly volcanic, showing a value of 0.28 ± 0.07. Regions of high reflectivity may consist of rocks with substantial inclusions of highly conductive sulfides.

Submitted on January 27, 1982
Revised on June 8, 1982


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
The Possibility of Ice on the Moon.
S. J. Weidenschilling;, S. Nozette, E. M. Shoemaker, P. Spudis, C. L. Lichtenberg;, N. J. Stacy, D. B. Campbell, and P. G. Ford; (1997)
Science 278, 144-145
   Full Text »
Magellan: Electrical and Physical Properties of Venus' Surface.
G. L. Tyler, G. L. TYLER, P. G. FORD, D. B. CAMPBELL, C. ELACHI, G. H. PETTENGILL, and R. A. SIMPSON (1991)
Science 252, 265-270
   Abstract »    PDF »
Evidence for Highly Reflecting Materials on the Surface and Subsurface of Vensus.
R. F. Jurgens, R. F. Jurgens, M. A. Slade, and R. S. Saunders (1988)
Science 240, 1021-1023
   Abstract »    PDF »
Venus: Volcanism and Rift Formation in Beta Regio.
D. B. Campbell, D. B. CAMPBELL, J. W. HEAD, J. K. HARMON, and A. A. HINE (1984)
Science 226, 167-170
   Abstract »    PDF »
Reports: Venus: Identification of Banded Terrain in the Mountains of Ishtar Terra.
D. B. Campbell, D. B. CAMPBELL, J. W. HEAD, J. K. HARMON, and A. A. HINE (1983)
Science 221, 644-647
   Abstract »    PDF »
Venus: Global Surface Radio Emissivity.
P. G. Ford, P. G. FORD, and G. H. PETTENGILL (1983)
Science 220, 1379-1381
   Abstract »    PDF »


To Advertise     Find Products

Science. ISSN 0036-8075 (print), 1095-9203 (online)