Large craters with broad central domes are a unique crater morphology on Jupiter’s largest icy moons: Ganymede and Callisto. A new study examines how remnant impact heat may lead to their formation.
Ganymede
Posted inResearch Spotlights
Iron Snow Ebb and Flow May Cause Magnetic Fields to Come and Go
Lab experiments find that iron crystals in planetary cores may form in bursts, causing periodic dynamos.
Posted inEditors' Highlights
Radio on Jupiter, Brought to You by Ganymede
Another first from NASA’s Juno spacecraft: the detection of Jupiter radio emissions influenced by the moon Ganymede, over a range of about 250 kilometers in the polar region of Jupiter.
Posted inResearch Spotlights
Juno Maps Water Ice Across Northern Ganymede
Infrared observations from instruments on the Juno spacecraft cover regions of Ganymede not visible to Earth-based telescopes.
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 inResearch Spotlights
How Jupiter’s Icy Moons Got Their Bands and Grooves
Europa’s churning ice crust could reveal signs of ocean life, new study suggests.