Juno Spots ‘Hot Rings’ on Jupiter’s Volcanic Moon Io
These bright (hot) ‘thermal rings’ are a common phenomenon, and they are indicative of active lava lakes, according to a new analysis of data from the Jovian Infrared Auroral Mapper…
NASA’s Juno Mission Provides Close-Ups of Intriguing Features on Io
In December 2023 and February 2024, NASA’s Juno spacecraft made extremely close flybys of Jupiter’s volcanic moon Io, getting within about 1,500 km (930 miles) of the surface and obtaining…