Kim Zimmermann

Kim Ann Zimmermann is a contributor to Space.com. She holds a bachelor’s degree in communications from Glassboro State College.

Articles by: Kim Zimmermann

Ganymede imaged by NASA's Galileo spacecraft appearing as a sandy brown colored cratered moon. with the left portion partly in shadow.

Ganymede: A guide to the largest moon in the solar system

By Kim Zimmermann last updated

Reference Jupiter's moon Ganymede is the largest moon in the solar system and likely has a salty ocean underneath its icy surface. We explore the moon in more detail here.

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