http://digfir-published.macmillanusa.com/astro_interactive_exercise/ie_interiors_of_the_galilean_satellites.html
Chapter
1. Interiors of the Galilean Satellites
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http://digfir-published.macmillanusa.com/astro_interactive_exercise/ie_interiors_of_the_galilean_satellites_dlap.xmlDLAP questions513aae83b11c0f465b000007