The first human-made object to fly by Venus was the Mariner 2 spacecraft nearly six decades ago 1. It was followed by two decades of intense in-situ and orbital exploration with probes and balloons ...
Title from home page viewed Sept. 25, 2003 with Internet Explorer 6.0. "A Smithsonian Institution Libraries Digital Collection." Introductory essays by Steven Turner and Jim Roan. Site design by ...
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