The gravitational tug-of-war between Jupiter and its other large moons squeezes Io so that its interior is molten. That magma finds its way to the surface in lava lakes and volcanic eruptions.
The Jovian moon Io has more than 400 active volcanoes, but the latest discovery is the largest of them all. Share on Facebook (opens in a new window) Share on X (opens in a new window) Share on ...
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