Category Archives: magnetic field

Ganymede’s Ocean Confirmed?

Recent observations of Ganymede by Hubble appear to suggest that it may truly have an ocean far beneath its crust. Aurorae on the planet, caused by Ganymede’s magnetic field (the only moon in the solar system to have one), and their behavior seem to be suggestive of this high possibility. Ganymede’s distance from Jupiter allows […] Continue reading Continue reading

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Salt Water Oceans Thought to be on Ganymede

Astronomers have recently determined that Jupiter’s largest moon Ganymede likely has an ocean of salt water underneath its icy, inhospitable crust. Ganymede is the only moon in our solar system that has a functioning magnetic field; because of this it is also the only one to have auroras. Scientists in Cologne studied these auroras over a […] Continue reading Continue reading

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