Hubble image archive

Magnetosphere of Ganymede

This is a sketch of the magnetic field lines around Ganymede, which are generated in the moon's iron core. Hubble Space Telescope measurements of Ganymede's aurorae, which follow magnetic field lines, suggest that a subsurface saline ocean also influences the behavior of the moon...

Date
Jan 1, 2015
Mission
Hubble Space Telescope
Archive ID
hubblesite-images-2015-09-3503-image
By

This is a sketch of the magnetic field lines around Ganymede, which are generated in the moon's iron core. Hubble Space Telescope measurements of Ganymede's aurorae, which follow magnetic field lines, suggest that a subsurface saline ocean also influences the behavior of the moon's magnetosphere.

Credits

NASA, ESA, and A. Feild (STScI)

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Source

Image and source material are credited to the official mission archive linked below.

View on NASA.gov

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