Decades of research have illuminated how Io and Europa shape—and are shaped by—Jupiter’s giant magnetosphere.
Jupiter
Posted inEditors' Highlights
Using a Machine to Help Us Learn About Jupiter’s Aurora
A first usage of principal component analysis on Hubble images of Jupiter’s auroral ovals reveals the most common patterns, and machine learning classification reveals their physical causes.
Posted inNews
Computers Tease Out Secrets of Jupiter’s Aurorae
Aurorae once classified by human eyes are now being sorted by machines. The change may help astronomers understand how the mysterious features are powered.
Posted inFeatures
Does Io Have a Magma Ocean?
Future space missions will further our knowledge of tidal heating and orbital resonances, processes thought to create spectacular volcanism and oceans of magma or water on other worlds.
Posted inNews
Jupiter’s Galilean Moons May Have Formed Slowly
A new model is the first to simultaneously explain many of the moons’ characteristics, including their mass, orbits, and icy composition
Posted inEditors' Highlights
First Inside Look at Hot and Cold Ions in Jupiter’s Ionosphere
The first in-situ ion observations from NASA’s Juno spacecraft reveal the surprising, simultaneous presence of cold protons and hot oxygen and sulfur ions in the high-latitude ionosphere of Jupiter.
Posted inNews
Massive Collision Cracked Young Jupiter’s Core
The gas giant’s interior reveals evidence of an ancient impact.
Posted inResearch Spotlights
Jupiter’s Northern Lights on Display in Otherworldly Movie
The first movie of Jupiter’s infrared aurora gives scientists a new look at the Jovian magnetic field.
Posted inEditors' Highlights
Jupiter’s Stressed Out Magnetosphere Causes Aurora and Heating
Force imbalance between Jupiter’s ionosphere and magnetosphere leads to wave generation to release this stress, but the waves also accelerate particles, causing aurora and heating.
Posted inNews
Ten New Moons Discovered Around Jupiter
The newly plotted moons of Jupiter include one “oddball” that orbits in the wrong direction and may be the remnant of a head-on collision.