+ Visit NASA.gov + Contact NASA   + Home Select Search Field * All Report - Patent Number Abstract *Accession Number *NASA Center *Author NameDocument IDKeywordsPublication Date *Title * Find Results With All of the words At least one of the words Enter Search Term  within returned results    Search Tips: Use only the fields with * to search NIX collection. Enclose terms in double quotation marks (") to search for exact phrases, ie: "space shuttle". NOTE: Commas and dashes are removed from search term by search engine. Select Reset Search button to start a new search. See Help for more tips. + Subject Selected Navigations: Author > Shapiro, Irwin [x] Sort results by: NASA Center | Date Added to NTRS | Publication Year There are a total of 2 record(s) matching your query. Sorted by: Date Added To NTRS in Descending order Solar-System Tests of Gravitational Theories Author(s): Shapiro, Irwin Abstract: We are engaged in testing gravitational theory by means of observations of objects in the solar system. The tests include an examination of the Principle of Equivalence (POE), the Shapiro delay, the advances of planetary ... NASA Center: NASA (non Center Specific) Publication Year: 1997 Added to NTRS: 2005-08-25 Accession Number: 97N72281; Document ID: 19970026986; Report Number: NAS 1.26:204775, NASA-CR-204775 Solar-System Tests of Gravitational Theories Author(s): Shapiro, Irwin Abstract: We are engaged in testing gravitational theory by means of observations of objects in the solar system. These tests include an examination of the Principle Of Equivalence (POE), the Shapiro delay, the advances of planetary ... NASA Center: NASA (non Center Specific) Publication Year: 1997 Added to NTRS: 2005-08-25 Document ID: 19980203524; Report Number: NAS 1.27:205747, NASA/CR-97-205747 + Back to Top + Sponsored by the NASA Scientific and Technical    Information Program + 2004 Vision for Space Exploration + Freedom of Information Act + NASA Web Privacy Policy and Important Notices + NASA Disclaimers, Copyright Notice,    and Terms and Conditions of Use NASA Official: Calvin Mackey Page Curator: NASA Center for AeroSpace Information (help@sti.nasa.gov) Last Updated: July 5, 2007