Electrical Origin of the Outbursts on Io

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Science  30 Nov 1979:
Vol. 206, Issue 4422, pp. 1071-1073
DOI: 10.1126/science.206.4422.1071


The outbursts seen on Jupiter's satellite Io have been described as volcanic eruptions. They may instead be the result of large electric currents flowing through hot spots on Io and causing evaporation of surface materials. A strictly periodic behavior would then be expected.