Public domain
Possible Internal Structures of the Galilean Satellites
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
Cutaway views of the possible internal structures of the Galilean satellites. Ganymede at lower left, Callisto at lower right, Io on upper left, and Europa on upper right in a combined biew from NASA Galileo and Voyager spacecraft.
NASA Image and Video Library’s own descriptionCredit linePossible Internal Structures of the Galilean Satellites. NASA/JPL, 2000-08-03. Public domain. ID: PIA01082.