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Think Wednesday | Next on August 23

First, join scientists and citizens alike as they observe the first total solar eclipse to traverse the U.S. mainland in more than a generation on NOVA. Later, learn how NASA’s epic Voyager missions, launched in 1977, revolutionized our understanding of Jupiter, Saturn, Uranus, Neptune and their dazzling moons and rings.
Airing: 8/23/2017 | 0:00:30
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