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Date: 2011-06-18 15:42:38 | What is Gravity Probe B? Gravity Probe B (GP-B) is a NASA physics mission to experimentally investigate Einstein’s 1916 general theory of relativity—his theory of gravity. GP-B uses four spherical gyroscopes and a teAdd to Reading ListSource URL: einstein.stanford.eduDownload Document from Source WebsiteFile Size: 318,04 KBShare Document on Facebook |