NASA’s Juno mission has offered a new look at what may lie below the volcanoes of Io, Jupiter’s highly active moon. The finding points to hidden processes under the surface rather than only the dramatic eruptions seen from space.
A better view of Io’s subsurface could be important for understanding how volcanic worlds work. Researchers study surface heat, lava and eruptions, but knowing what is happening underneath can help explain why volcanoes form, how they stay active and how energy moves through a moon or planet.
The new results could have value far beyond Jupiter’s orbit. Scientists say this kind of subsurface research may improve the way volcanoes are studied across the solar system, including on rocky worlds closer to home.
That makes Juno’s peek beneath Io especially significant. By helping scientists connect surface activity with what is happening below, the mission may open new ways to compare volcanic systems on distant moons with volcanic behavior on Earth.