Day in Review: NASA’s Juno Takes Temperature of Jupiter’s Fiery Moon Io

The first measurements of the subsurface of the most volcanic world in the solar system reveal heat rising from below. 

Missions __ News __ Galleries __ Events July 22, 2026 Solar System NASA’s Juno Takes Temperature of Jupiter’s Fiery Moon Io The first measurements of the subsurface of the most volcanic world in the solar system reveal heat rising from below. Full Story

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