title: Discovery of currently active extraterrestrial volcanism.
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.
authors.forename: L A
authors.initials: LA
authors.lastname: Morabito
authors.forename: S P
authors.initials: SP
authors.lastname: Synnott
authors.forename: P N
authors.initials: PN
authors.lastname: Kupferman
authors.forename: S A
authors.initials: SA
authors.lastname: Collins