The volcanoes and clouds of Venus

Details The volcanoes and clouds of Venus The volcanoes and clouds of Venus

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985sciam.252...46p&link_type=abstract

Scientific American (ISSN 0036-8733), vol. 252, March 1985, p. 46-53.

Mathematics

Logic

7

Planetary Composition, Venus Clouds, Venus Radar Echoes, Volcanoes, Atmospheric Composition, Pioneer Venus Spacecraft, Radar Maps, Sulfur, Venus Surface, Venus, Clouds, Volcanoes, Radar Methods, Observations, Chemistry, Crust, Analysis, Atmosphere, Volcanism, Sulfur, Sulfuric Acid, Composition, Sulfur Dioxide, Imagery, Beta Regio, Reflectivity, Surface, Features, Comparisons, Venra Missions, Pioneer Venus, Eruptions

Scientific paper

One of the earth's most intriguing features is its geologic activity. However, volcanic eruptions have not been observed on any other body in the solar system, except for a detection of such eruptions on Jupiter's moon Io. As in a number of respects Venus is similar to earth, questions arise regarding the presence of active volcanoes on Venus. In the past, the study of such questions was made difficult or impossible by the layer of clouds surrounding the Venusian surface. In the past half decade the situation has changed. These changes are mainly related to studies based on a utilization of radio waves and microwaves which can pass through the cloud layer. Such studies have been conducted with the aid of terrestrial radio telescopes, the Pioneer Venus satellite orbiting Venus, and two Russian spacecraft. The results of these studies are discussed in detail. It appears that there are active volcanoes on Venus. This volcanism is a key link in the chemical cycle which produces the clouds. The levels of volcanic activity on Venus and earth seem to be roughly comparable.

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