Gravity Probe B
Testing Einstein's Universe
Index of Status Updates (1997-2011)
May 2011 GP-B Final Results • PRL Paper • NASA Headquarters Press Conference • Press Releases & Message from Stanford President Emeritus, Donald Kennedy • News & Media CoverageApril 2011 Notice of NASA Science Update and GP-B Final Results Announcement • Live TV Coverage at Stanford
Fall 2009 Frame dragging clearly visible•Parallel Processing • Science Advisory Committee Meeting #19 • John Mester's Aero-Astro Course • Payload & Spacecraft Simulator • Collaborative Research & Funding • Wiliam Fairbank WorkshopWinter 2009 Frame dragging observed • Final Science Report to NASA • New GP-B funding sources
Fall 2008 New GP-B funding (outside NASA) • Science Advisory Committee Meeting #18 • Dramatic Progress in the Data AnalysisMay 2008 NASA SMD-Astrophysics Senior Review • Physics Research Plight at NASA• Continued Relevance/Importance of GP-B • Road AheadSpring 2008 Program Extension • Increasing Precision of the Results• Increasing Accuracy of the Results
December 2007 Data analysis progress update following SAC meeting #17 • GP-B Final Report to NASA • New & Improved GP-B Web site coming soon September 2007 Data analysis progress update • NSSDC Data archive • GP-B Final Report to NASA • USAFA use of GP-B spacecraft Summer 2007 Successful Mission • Relativity Effects Visible in Data • First Results • Two Surprises • Next Steps Towards Final Results June 11 The Two Surprises and Their Underlying Cause April 14 First Results of GP-B announced at the APS meeing February 9 GP-B Presentations at April APS Meeting
December 22 2006 End of Year Status November 20 Polhode Motion in the GP-B Gryos October 11 Spacecraft Ready for Hibernation September 11 GP-B Science Advisory Committee (SAC) Meeting #15 August 7 U.S. Air Force Academy will begin using GP-B spacecraft in September July 7 Tony Lyons receives NASA leadership award June 7 Everitt Lecture; GP-B Facilities Relocation May 1 Preparations for Spacecraft Hibernation; GP-B is Evening Star March 31 Technology Connections: From Einstein to Farming February 28 GP-B Science Advisory Committee Meeting #14 January 31 Spacecraft Ready for Other Experiments
