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This shows an active volcanic region on Io. The yellow and orange area is newly formed lava, and the dark areas show lava that has cooled down.
Click on image for full size
Courtesy of NASA

Galileo Finds More Volcanoes on Io
News story originally written on June 2, 2000

The Galileo spacecraft took pictures of some huge volcanoes on Jupiter's moon Io. Scientists say these volcanoes aren't like the ones we have on Earth. Some of the huge ones are active for years!

Galileo will next study the moon Ganymede and Jupiter's Great Red Spot.

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