Surprising New Features Associated With the Moon Io Seen in Jupiter’s Aurora
Juno infrared observations of the Jovian aurora surprised scientists by showing mysterious new details related to Jupiter’s volcanic moon Io. Particles from Io’s volcanoes become charged creating a torus around Jupiter. Some of the particles travel up Jupiter’s magnetic field and crash into Jupiter’s atmosphere to make auroral emission. Juno discovered that the torus splits into two streams and that the aurora show mysterious reflections behind Io “footprint”.