Development of the Gravity Probe B flight mission

Details Development of the Gravity Probe B flight mission Development of the Gravity Probe B flight mission

Oct 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003adspr..32.1387t&link_type=abstract

Advances in Space Research, Volume 32, Issue 7, p. 1387-1396.

Physics

7

Scientific paper

Gravity Probe B is an experiment to measure the geodetic and frame-dragging precessions, relative to the ``fixed'' ``stars'', of a gyroscope placed in a 650 km altitude polar orbit about the earth. For Einstein's general relativity, the precessions are calculated to be 6.6 arcsec/yr for the geodetic precession and 0.042 arcsec/yr for the frame-dragging precession. The goal of the experiment is to measure these precessions to better than 0.01% and 1%, respectively. This paper gives an overview of the experiment and a discussion of the flight hardware development and its status. This paper also includes an estimate of the geodetic and frame-dragging errors expected for the experiment.

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