NASA's Gravity Probe B Mission: Was Einstein Right?

Details NASA's Gravity Probe B Mission: Was Einstein Right? NASA's Gravity Probe B Mission: Was Einstein Right?

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.7111r&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #71.11; Bulletin of the American Astronomical Society, V

Physics

Scientific paper

The most sophisticated and precise test of Einstein's theory of curved spacetime is finally complete after 46 years of development and study. What did we discover?
THE MISSION: In 1960, NASA began developing the most sophisticated and precise test of Einstein's theory of general relativity -the Gravity Probe B mission based at Stanford University. Was Einstein right about the shape of curved spacetime around the Earth? Did Earth's rotation actually "twist" spacetime around with it? After four decades of physics and engineering innovations, Gravity Probe B was ready to go. In 2004, NASA launched the Earth-orbiting satellite containing four near-perfect spinning spheres (gyroscopes) designed to reveal the shape of spacetime curvature near the Earth and the presence of "frame-dragging." After 16 months of observations and a year-and-a-half of data analysis, we nearly have our answers. Stanford scientists and theorists are making the final verifications to our data and analysis in preparation for the release of the results.
IN YOUR CLASSROOM: We have translated the sophisticated science and technology of this unique mission into a teacher's guide, demonstration activities, and a mission DVD/CD. Each of these items is available to all and will help you engage your students in Einstein's ideas of spacetime, our work with gyroscopes and the exciting work of conducting research in space.

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