Last week, NASA's Juno spacecraft performed a scintillatingly close flyby of Jupiter's moon Io - the closest in over 20 years - and captured breathtaking new images of its evershifting surface that could further scientists' understanding of one of the most volcanic worlds in the Solar System.
As one of the most volcanically active worlds in the solar system, Io is very hot, especially right beneath its crust where astronomers believe it harbors a magma ocean, a suspicion that Juno's data may confirm.
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