URL | Title | Id |
---|---|---|
http://digfir-published.macmillanusa.com/astro_interactive_exercise/ie_the_principle_uranian_satellites.html | Chapter 1. The Principle Uranian Satellites | 513ab30db11c0f4b5b00000d |
http://digfir-published.macmillanusa.com/astro_interactive_exercise/ie_the_principle_uranian_satellites_dlap.xml | DLAP questions | 513ab30db11c0f4b5b00000d |