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PIA01070: Changes on Io between Voyager 1 and Galileo's Second Orbit Around an Unnamed Vent North of Prometheus
Detail of changes around a probable vent about 650 kilometers north of Prometheus on Jupiter's moon Io as seen in images obtained by the NASA's Voyager 1 spacecraft in April 1979 (left) and NASA's Galileo spacecraft on Sept. 7th, 1996 (right).
 Target Name:  Io
 Is a satellite of:  Jupiter
 Mission:  Galileo 
 Spacecraft:  Galileo Orbiter
 Instrument:  Solid-State Imaging 
 Product Size:  168 x 83 pixels (w x h) 
 Produced By:  University of Arizona / LPL 
 Producer ID:  P49550 MRPS77165  
 Addition Date:  1997-11-18 
 Primary Data Set:  Galileo EDRs 
 Full-Res TIFF:  PIA01070.tif (38.1 kB)
 Full-Res JPEG:  PIA01070.jpg (3.157 kB)  

Click on the image above to download a moderately sized image in JPEG format (possibly reduced in size from original)

Original Caption Released with Image:

Detail of changes around a probable vent about 650 kilometers north of Prometheus on Jupiter's moon Io as seen in images obtained by the Voyager 1 spacecraft in April 1979 (left) and the imaging system aboard NASA's Galileo spacecraft on September 7th, 1996 (right). The re-arranging of dark and light radial surface patterns may be a result of plume fallout. North is to the top of both images which are approximately 400 kilometers square.

The Jet Propulsion Laboratory, Pasadena, CA manages the Galileo mission for NASA's Office of Space Science, Washington, DC. JPL is an operating division of California Institute of Technology (Caltech).

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.

Image Credit:
NASA/JPL/University of Arizona

Image Addition Date:
1997-11-18