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…
Jupiter’s Polar Cyclones are Fueled by Processes Similar to Those Acting on Earth: Study
Planetary scientists first made the connection between Earth and Jupiter in 2018 when they noticed a striking similarity between images of Jupiter’s huge cyclones and the ocean turbulence. In 2022,…
Amalthea: Juno Captures Solar System’s Reddest Object
NASA’s Juno orbiter captured these views of the tiny, red moon Amalthea and its parent planet and during a close flyby on March 7, 2024. These views of Jupiter, captured…
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…
Europa Produces Less Oxygen than Previously Thought
Using data from the Jovian Auroral Distributions Experiment (JADE) instrument onboard NASA’s Juno spacecraft, planetary scientists have calculated the rate of oxygen being produced at Jupiter’s icy moon Europa to…
NASA’s Juno Orbiter Captures Stunning Images of Jupiter’s Moon Io
On February 3, 2024, NASA’s Juno spacecraft made a second close flyby of Io, the fifth of Jupiter’s moons and the third largest. Like the previous flyby on December 30,…
Atmospheric Winds Penetrate Jupiter in Cylindrical Manner, Planetary Researchers Say
The violent nature of Jupiter’s atmosphere has long been a source of fascination for scientists. NASA’s Juno spacecraft has had a ringside seat to the goings-on since it entered the…
Juno Detects Various Salts and Organic Compounds on Ganymede
Using data from the Jovian InfraRed Auroral Mapper (JIRAM) aboard NASA’s Juno spacecraft, planetary scientists have detected hydrated sodium chloride, ammonium chloride and sodium/ammonium carbonate, as well as organic compounds…
Trace Gas Detection Sheds New Light on Atmospheres of Jupiter and Its Volcanic Moon Io
Using data from NSF’s Karl G. Jansky Very Large Array (VLA), the Atacama Large Millimeter/submillimeter Array (ALMA) and NASA’s Juno spacecraft, two teams of astronomers have examined the distribution of…