Jupiter flyby and discovery of volcanism on Io

NASA's Voyager 1 conducted a flyby of Jupiter, marking a pivotal moment in the exploration of the outer solar system. During this mission, Voyager 1 approached Jupiter at a distance of 349,000 kilometers, allowing for detailed observations of the planet and its moons. The spacecraft's instruments collected a wealth of data, revealing new insights into the complex dynamics of the Jovian system. Among the most significant findings was the discovery of active volcanism on Io, one of Jupiter's largest moons. This was the first time that volcanism had been observed on a body other than Earth, fundamentally changing our understanding of geological processes in the solar system. The data indicated that Io is the most geologically active body in the solar system, with hundreds of volcanoes and extensive lava flows, driven by intense tidal heating due to its gravitational interactions with Jupiter and other moons. This discovery has had lasting implications for planetary science, prompting further studies into the geological activity of other celestial bodies and the processes that govern them.