Can A Top-down Freezing Core Explain Ganymede’s Magnetic Field?
Share This:
                           

About The Author

                       

Can A Top-down Freezing Core Explain Ganymede’s Magnetic Field?

The Jovian moon Ganymede possesses an internally generated, present-day magnetic field. This finding was one of the most unexpected ones during the Galileo mission back in 1996. Ganymede is an icy moon, i.e. water makes up 46-48% of its total mass. A thick icy shell (900 km) forms Ganymede's outermost layer beneath which a rocky mantle resides. The innermost part likely is a metal core. While scientists came up with different explanations for the origin of Ganymede's magnetic field, the most...

Read more