Jim Bell is a professor of astronomy and planetary science in the School of Earth and Space Exploration at Arizona State University. His research focuses on the geology and composition of planets, moons, asteroids, and comets, and he has authored seven popular science books.
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The story of the men and women who drove the Voyager spacecraft mission— told by a scientist who was there from the beginning. The Voyager spacecraft are our farthest-flung emissaries—11.3 billion miles away from the crew who built and stil... SEE MORE