8/26/2023 0 Comments Io moon info![]() To peer beneath Io’s surface, Miyazaki and Stevenson revisited reams of data from NASA’s Galileo probe, which orbited Jupiter for eight years starting in 1995. But their new peer-reviewed study of the moon’s mantle might be the most thorough yet. It’s been the subject of heated debate for years. Miyazaki and Stevenson aren’t the first scientists to make an educated guess at what lies beneath Io’s potentially 20-mile-thick rocky crust. ![]() ![]() Only further scrutiny of the 2,200-mile-diameter moon will tell. That possible super-hot sea of melted rock-which is unique in the solar system-could harbor secrets, weird mechanisms for forming moons and planets, and even recipes for exotic alien life. 16 from Yoshinori Miyazaki and David Stevenson, planetary scientists at the California Institute of Technology. That something could be a thick moonwide layer of molten rock-or a “subsurface magma ocean,” according to a new study published in the Planetary Science Journal on Nov. In fact, it’s peppered with so many hundreds of powerful active volcanoes that there must be something unusual beneath its crust. There are more than 200 moons in the solar system, but none quite like Io, the third largest of Jupiter’s 80 moons.
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