"The 40-Year Voyage to Barnard's Star" --A Look Back at the World's 1st Study of an Unmanned Spaceship to Explore a Nearby Star

The world's first engineering study of an unmanned spaceship to explore one of the nearer stars was made by a technical group of the British Interplanetary Society between 1973-77. The target selected for the exercise was Barnard's Star, six light...