Magellan at Venus - First results

Details Magellan at Venus - First results Magellan at Venus - First results

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990s%26t....80..603b&link_type=abstract

Sky and Telescope (ISSN 0037-6604), vol. 80, Dec. 1990, p. 603-606.

Physics

Magellan Spacecraft (Nasa), Planetary Craters, Venus Surface, Altimeters, Impact Damage, Radar Maps, Synthetic Aperture Radar, Volcanoes

Scientific paper

First results of mapping the Venusian surface on the basis of data from the Magellan spacecraft are presented, together with the description of the Magellan measurement instruments. These consist of a SAR, which bounces short pulses of radio energy off the planet's surface for 37 min of each orbit, when it is closest to Venus, and a radar altimeter, which repeatedly determines the height of the landscape directly below it. The paper describes key features of several impact craters mapped by Magellan, including the Crater Golubkina, the 'crater farm' and the 'Gumby' feature near the Lavinia Planitia region, a 9 x 12-km kidney-shaped crater, and a radar-bright feature considered to be an evidence of explosive volcanism on Venus.

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