Reports

Discovery of Currently Active Extraterrestrial Volcanism

Science  01 Jun 1979:
Vol. 204, Issue 4396, pp. 972
DOI: 10.1126/science.204.4396.972

Abstract

Two volcanic plumes were discovered on an image of Io taken as part of the Voyager optical navigation effort. This is the first evidence of active volcanism on any body in the solar system other than Earth.