Voyager 2 is the only spacecraft to study all four of the solar system's giant planets up close. It is now exploring the solar wind and the sun's magnetic field dominate space but on September 2007 it crossed the termination shock it's where the speed of the solar wind drops below the speed of sound at 84 au twice the distance to Pluto. The purpose was to study huge planets, but now its to study solar wind. Voyager 2 was designed to take advantage of a rare planetary alignment to explore the solar system. Voyager 2 was located on Jupiter, Saturn, Uranus and Neptune.Voyager 2 was also was designed to study the edge of our solar system beyond the planets. The Voyager 2 was the innovation because the first didn't go so well but this one did
