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Animation of Io's Volcanic Plumes

Target Name:  Io
Spacecraft:  Voyager 2
Produced by:  Calvin J. Hamilton
Copyright: © Calvin J. Hamilton
Date Taken:  9 July 1979
Date Released: 1 March 2003
(Publisher Permission Request)

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This animation of Io is a sequence of 9 images taken by the Voyager 2 on the evening of July 9, 1979, from a range of 1.2 million kilometers (745,700 miles). On the limb of Io are two volcanic plumes about 100 kilometers (62 miles) high. These two plumes were first seen by Voyager 1 in March 1979. They apparently had been erupting for a period of at least four months and probably longer. A total of six plumes were seen by Voyager 2, all of which were first seen by Voyager 1.

This image is Copyright © 2003 by Calvin J. Hamilton. Any commercial/for-profit use of this image needs to be addressed to Calvin J. Hamilton.

Copyright © 1995-2016 by Calvin J. Hamilton. All rights reserved.