NASA’s Juno takes the temperature of Jupiter’s fiery moon Io – NASA0

• io, Jet Propulsion Laboratory, Juno, Jupiter, Planetary Science, SCIENCE, Science / Health, Science Mission Directorate, scientists, Space, Space Communications & Navigation Program, Space Launch System (SLS), Space Telescope, space-x-ipo, SpaceX
• July 22, 2026

Read this story in Spanish. here. NASA’s Juno mission has provided the first measurements of the temperature beneath the surface of Jupiter’s moon Io, revealing significant warming within the shallow subsurface of the solar system’s most volcanically active world. Data collected during two close flybys also show that most of Io’s surface is remarkably smooth