Jupiter’s moon Io is covered in active volcanoes. Now we have their first map

Jupiter’s moon Io is covered in active volcanoes.  Now we have their first map

The most volcanically active world in the solar system, Jupiter’s moon Io, may have a global magma ocean beneath its surface, as well as mysteriously warm poles, a new study suggests.

Io is the innermost moon of Jupiter’s four largest moons, and is slightly larger than Earth’s moon. Io is the most volcanically active body in the solar system, erupting in plumes that rise more than 300 miles (500 kilometers) above the surface.

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