Explanation: Jupiter's moon Io has active volcanoes. The Voyager spacecraft caught several erupting when they passed the energetic moon in 1979. In the above picture, several of Io's volcanoes are visible and one is seen actually erupting. Debris from this explosive event can be seen on the upper left of the photo, just beyond Io's edge. Io's volcanism is thought to be caused by the large tidal distortions raised by Jupiter, Europa, and Ganymede. These tides stretch Io, cause internal friction, and thus heat the interior. The hot interior then expands and forces its way out through volcanoes. Currently, the spacecraft Galileo is orbiting Jupiter and photographing Jupiter's Galilean moons.

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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: vulkan - prilivnye sily - Io - galileevy sputniki Publikacii so slovami: vulkan - prilivnye sily - Io - galileevy sputniki
Sm. takzhe: Vulkan Vil'yarrika na fone neba Mlechnyi Put' nad goroi Etna Luna i kol'ca iz dyma nad goroi Etna Sputnik Io ot kosmicheskogo apparata "Yunona" Venera, Luna i dymyashaya gora Sputniki nad Yupiterom Gora Olimp: samyi bol'shoi vulkan v Solnechnoi sisteme Vse publikacii na tu zhe temu >>