Magellan's global view of the Venusian surface

Details Magellan's global view of the Venusian surface Magellan's global view of the Venusian surface

Mar 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992e%26s.....4....5a&link_type=abstract

Earth in Space (ISSN 1040-3124), vol. 4, no. 7, March 1992, p. 5-7, 10.

Physics

Geochronology, Geodynamics, Magellan Project (Nasa), Planetology, Radar Maps, Venus Surface, Craters, Planetary Evolution, Radar Imagery, Topography, Venus, Magellan Mission, Spacecraft Observations, Surface, Features, Radar Methods, Mission Description, Popular, Resurfacing, Terrain, Morphology, Impact Craters, Topography, Models, Tectonism, Mapping, Volcanism, Coronae, Lava Flow, Plains, Distribution, Mead, Gravity Properties, Sar Instrument

Scientific paper

Observations of the Venusian surface from mapping cycles 1 and 2 of the Magellan mission are summarized. The observations have revealed a planet with a wide variety of volcanic and tectonic landforms. The average surface age is 500 million years, but the total span of ages may range from near 0 to 1 billion years. There is good evidence that tectonism and volcanism are ongoing. The surface has been modified by weathering, wind erosion, and deposition but only to meters in depth, preserving an excellent record of tectonic and volcanic processes. Plans for the next mapping cycles are discussed.

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