There is a torus-shaped 'flux tube' between Io and Jupiter. I've read estimates of a million amperes and a trillion watts. How can space probes survive this? - Quora
Overview of the Io‐Jupiter system (not to scale). The Io flux tube... | Download Scientific Diagram
The Chance for Life on Io
Sizing or IO Tube End Forming Machines from iES
Auroral 'Footprints' | NASA Solar System Exploration