Explanation: Are any volcanoes on Io currently erupting? To help answer this, scientists instructed the robot spacecraft Galileo to take hourly pictures of this moon of Jupiter prior to its most recent encounter. The most obvious changes in Io are due to the changing amount of sunlight reflected from the moon to the spacecraft. More careful inspection does verify continuous volcanic plumes. The most prominent plume visible is from Prometheus, visible just below Io's equator. This plume was first photographed in 1979 by Voyager, so Prometheus appears to have been erupting continuously for at least 18 years! On most browsers, the above picture will appear animated. To stop the movie, click on your broswer's "stop" button.

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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 - vulkan - izverzhenie - Io - galileevy sputniki - KA Voyadzher - KA Galileo Publikacii so slovami: Io - vulkan - izverzhenie - Io - galileevy sputniki - KA Voyadzher - KA Galileo
Sm. takzhe: Vulkan Vil'yarrika na fone neba Mlechnyi Put' nad goroi Etna 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 Vse publikacii na tu zhe temu >>