Physics
Scientific paper
Aug 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992jgr....9713303a&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 97, no. E8, Aug. 25, 1992, p. 13,303-13,317.
Physics
75
Magellan Spacecraft (Nasa), Satellite Observation, Synthetic Aperture Radar, Venus Surface, Volcanology, Hypervelocity Impact, Planetary Craters, Radar Scattering, Radar Signatures
Scientific paper
Magellan radar and altimetry data are analyzed to understand the extent to which surface processes, such as impact crater ejecta emplacement, aeolian processes, and weathering, have modified Venusian plains. The analysis focuses on three areas: (1) lava flows of different relative ages in Sedna Planitia to determine the degradation history of Venusian volcanic surfaces; (2) the 65-km-diameter impact crater Stuart to evaluate the effects of ejecta emplacement on plains surfaces; and (3) elevated plains in western Ovda Regio to explore the nature and rate of production of highly reflective surfaces that dominate terrains that are greater than 6054 km in radius.
Arvidson Raymond E.
Greeley Ronald
Izenberg Noam
Malin Michael C.
Plaut Jeffrey J.
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