Tuesday, November 24, 2009

Facts about Io.


At one-third the size of earth, Io is the most volcanically active body in the solar system. The nearest to Jupiter of the four large moons, Io's surface is full with volcanoes which erupt frequently, lava, dust and gases onto its landscape. Io is believed to have a metallic core. Its surface is mostly flat plains, but mountains as high as 9 kilometers have been observed by scientists on Earth.

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