Planetary Astronomy: From Ancient Times to the Third Millennium

Ronald A. Schorn

Texas A&M University Press

<p>The author explains how a rare planetary alignment allowed NASA to mount one of the most spectacular missions of exploration in human historyùthe voyager probes to the outer planets. (Science &amp; Mathematics)</p>

Voyager's Grand Tour: To the Outer Planets and Beyond (Smithsonian History of Aviation and Spaceflight Series)

Science & Math

Henry C. Dethloff

Astronomy & Space Science

Smithsonian

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Books by Ronald A. Schorn