Space Daily·2 min read·medium
Jupiter's moon Io is the most volcanically active body in the solar system, with hundreds of active volcanoes that can shoot sulphur plumes more than 500 kilometres above its surface — a landscape so extreme that early Voyager scientists initially mistook the p - Space Daily

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Jupiter's moon Io is identified as the most volcanically active body in the solar system, featuring hundreds of active volcanoes. Scientists initially underestimated the moon's geological activity until Voyager 1 provided photographic evidence in 1979.
When Voyager 1 flew past Jupiter in March 1979, scientists expected its moon Io to be cold, battered and geologically quiet. Instead, the spacecraft photographed a world with no obvious impact crater…
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