Figure 13-9:
The Io Torus (a) An Earth-based telescope recorded this false-color infrared image of Io’s plasma torus of charged particles. Because of Jupiter’s glare, only the outer edge of the torus could be photographed; an artist added the visible-light picture of Jupiter and the yellow line indicating the rest of the torus. (b) A tube of electric current carries a charged-particle plasma between Jupiter and Io, forming an immense electric circuit.
The Io Torus (a) An Earth-based telescope recorded this false-color infrared image of Io’s plasma torus of charged particles. Because of Jupiter’s glare, only the outer edge of the torus could be photographed; an artist added the visible-light picture of Jupiter and the yellow line indicating the rest of the torus. (b) A tube of electric current carries a charged-particle plasma between Jupiter and Io, forming an immense electric circuit.
(a: Courtesy of J. Trauger; b: Alfred T. Kamajian and Torrence V. Johnson, “The Galileo Mission to Jupiter and Its Moons,” Scientific American, February 2000, p. 44)