http://digfir-published.macmillanusa.com/astronomy_imagemaps/astronomy_imagemaps_a002.html
Chapter
5. Sizes of Exoplanets
5727691c757a2e8076000004
http://digfir-published.macmillanusa.com/astronomy_imagemaps/astronomy_imagemaps_a002_dlap.xmlDLAP questions5727691c757a2e8076000004