Think Wednesday | Next on August 23

Aired: 8/23/2017 | 0:00:30 | Promotion
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.