Voyager 1 was launched in 1977 to take advantage of a rare geometric alignment of the outer planets which allowed NASA to take a four-planet tour in a relatively short period of time with minimal fuel use. The layout of Jupiter, Saturn, Uranus and Neptune last seen in the 1970s and the 1980s. NASA claims that even if the mission had ended after Jupiter and Saturn, it would still have been enough material to “rewrite” astronomy textbooks. But the information they have