Volcanic Plumes Rise Above Lava Lakes on Io in this Juno Image

As the most volcanic object in the Solar System, Jupiter’s moon Io attracts a lot of attention. NASA’s Juno spacecraft arrived at the Jovian system in July 2016, and in recent months, it’s been paying closer attention to Io. Though Io’s internal workings have been mostly inscrutable, images and data from Juno are starting to …