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Loading contentThe eruption of molten rock from a planet's interior onto its surface — from Earth's volcanoes to the relentless silicate volcanism of Jupiter's moon Io, the most volcanically active body in the Solar System, whose surface and plumes are painted with sulphur and sulphur-dioxide frosts.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
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