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Pioneer Venus radar mapper experimentAltimetry and radar scattering data for Venus, obtained from 10 of the first 13 orbits of the Pioneer Venus orbiter, have disclosed what appears to be a rift valley having vertical relief of up to 7 kilometers, as well as a neighboring, gently rolling plain. Planetary oblateness appears unlikely to exceed 1/2500 and may be substantially smaller.
Document ID
19790040163
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Pettengill, G. H. (Massachusetts Inst. of Tech. Cambridge, MA, United States)
Ford, P. G. (MIT Cambridge, Mass., United States)
Brown, W. E. (California Institute of Technology, Jet Propulsion Laboratory, Pasadena Calif., United States)
Kaula, W. M. (California, University Los Angeles, Calif., United States)
Keller, C. H. (NASA Ames Research Center Moffett Field, Calif., United States)
Masursky, H. (U.S. Geological Survey, Branch of Astrogeology, Flagstaff Ariz., United States)
Mcgill, G. E. (Massachusetts, University Amherst, Mass., United States)
Date Acquired
August 9, 2013
Publication Date
February 23, 1979
Publication Information
Publication: Science
Volume: 203
Subject Category
Lunar And Planetary Exploration
Accession Number
79A24176
Distribution Limits
Public
Copyright
Other

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