13. Voyager's Grand Tour (1989)

In 1977 Voyager 2, the most ambitious of all space-craft, was launched toward the outer planets. Since then it has surveyed Jupiter, Saturn, Uranus and Neptune in turn, and has sent back amazing pictures as well as a vast amount of new information. Patrick Moore sums up what Voyager has told us, and goes on a grand tour of the outer solar system.

Release date: 1989-12-10