The interstellar age

"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 still operate them, decades since their launch. Voyager 1 left the solar system in 2012; its sister craft, Voyager 2, will do so in 2015. The fantastic journey began in 1977, before the first episode of Cosmos aired. The mission was planned as a grand tour beyond the moon; beyond Mars, Jupiter, and Saturn; and maybe even into interstellar space. The fact that…