Flying by Saturn and Neptune, eight years apart

August 25 is a special day in Voyager 2’s journey. This is because it was on this day in 1981 that it made its closest approach to Saturn. And it was on the very same day in 1989 that it became the first, and so far only, spacecraft to visit Neptune and make its closest approach. A.S.Ganesh tells you more about Voyager 2 and its tryst with these two gas giants…