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Surface Changes on Io

Sept. 7, 1997
Four views of an unnamed volcanic center (latitude 11, longitude 337) on Jupiter's moon Io showing changes seen on June 27th, 1996 by NASA's Galileo spacecraft as compared to views seen by the Voyager spacecraft during the 1979 flybys.

Four views of an unnamed volcanic center (latitude 11, longitude 337) on Jupiter's moon Io showing changes seen on June 27th, 1996 by the Galileo spacecraft as compared to views seen by the Voyager spacecraft during the 1979 flybys. Clockwise from upper left is a Voyager 1 high resolution image, a Voyager 1 color image, a Galileo color image, and a Voyager 2 color image. North is to the top of the picture. This area has experienced many changes in appearance since Voyager images were acquired, including new dark and bright deposits. This region was a hot spot during Voyager 1. Images are 762 km wide. The Jet Propulsion Laboratory, Pasadena, CA manages the mission for NASA's Office of Space Science, Washington, DC. This image and other images and data received from Galileo are posted on the World Wide Web, on the Galileo mission home page at URL http://galileo.jpl.nasa.gov. Background information and educational context for the images can be found at http://www.jpl.nasa.gov/galileo/sepo.

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