Not only is the system valuable to the casual user as a powerful thesaurus and dictionary, but also to the researcher as one of the few freely available, lexical databases. Provided by the US National Aeronautics and Space Administration Jet Propulsion Laboratory's A Space Library, this site allows users to input a number of variables to create color views of the solar system and any of its bodies. Users can view any body from any other, display planet and satellite orbits, and choose from a variety of fields of view. I and Galileo spacecraft. Additional features include sample Quicktime and MPEG movies, information on the current status of the Cassini and Galileo spacecraft, and a description of the technical details of the simulator.
Users can browse the dictionary alphabetically or search it.
Definitions are terse but clear. Cross references are provided but, unfortunately, not hyperlinked at this time. The latter two can be browsed or searched separately from a link on the dictionary page. The Quick Start for Students provides a concise guide to the site's online resources as well as recommendations for print sources, while the Quick Start to Historical Controversy points directly to several readings and bibliographies that address Richard III's character. The Society's Online Library contains primary texts and secondary sources, including an annotated hypertext version of The Tragedy of King Richard The Third, by William Shakespeare.