Volcanic Origin of the Eruptive Plumes on Io

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Science  27 Mar 1981:
Vol. 211, Issue 4489, pp. 1419-1422
DOI: 10.1126/science.211.4489.1419


A quadruple long exposure of Io in eclipse exhibits faint auroral emission from the eruptive plumes. No luminous spots in the vents, predicted by Gold, were observed. Heat from the interior of Io appears to be the predominant source of energy in the plumes.