First results of a radar survey of Venus by the Magellan spacecraft

Details First results of a radar survey of Venus by the Magellan spacecraft First results of a radar survey of Venus by the Magellan spacecraft

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991avest..25..548b&link_type=abstract

Astronomicheskii Vestnik (ISSN 0320-930X), vol. 25, Sept.-Oct. 1991, p. 548-568. In Russian.

Astronomy and Astrophysics

Astronomy

Magellan Spacecraft (Nasa), Planetary Geology, Planetary Structure, Space Based Radar, Spaceborne Photography, Venus Surface, Lava, Planetary Craters, Planetary Crusts, Tectonics, Venus Atmosphere, Volcanoes

Scientific paper

An overview of a high-resolution radar survey of Venus as of May 1991 is presented. New phenomena were detected, namely: pancake features 20-25 km across, evidently formed by eruptions of viscous nonbasaltic lava; long 'channels', probably formed by the flow of low-viscosity liquids of the komatiite, carbonatite or sulfur-lava type; areas of polygonal, sometimes very regular gridlike, fracturing on volcanic plains; enigmatic flows originating within ejecta blankets of impact craters; and traces of wind erosion/accumulation of loose material.

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