Explanation: Is Io the solar system's Fissure King? Well, probably not ... but it is the most active volcanic moon. Active volcanoes on Jupiter's moon Io were a surprise discovery of the Voyager missions of the late 1970s. The extent of Io's volcanic activity today is being investigated close-up by the Galileo spacecraft currently exploring the Jovian system. The two frames above show a roughly 300 mile square area around the Io volcano called Marduk. The left-hand view of Marduk was made by Voyager in 1979, the right-hand view by Galileo earlier this year. A comparison reveals that dramatic changes have occured, including the creation of a dark, linear feature running diagonally through the Galileo image that is probably a huge volcanic fissure.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Publikacii s klyuchevymi slovami: Io - KA Voyadzher - KA Galileo - vulkan - Io - galileevy sputniki Publikacii so slovami: Io - KA Voyadzher - KA Galileo - vulkan - Io - galileevy sputniki
Sm. takzhe: Luna i kol'ca iz dyma nad goroi Etna Evropa ot "Galileo" Sputnik Io ot kosmicheskogo apparata "Yunona" Venera, Luna i dymyashaya gora Sputniki nad Yupiterom Gora Olimp: samyi bol'shoi vulkan v Solnechnoi sisteme Io v estestvennyh cvetah Vse publikacii na tu zhe temu >>