NASA NTRS · 19900028350
The Gravity-Probe-B relativity gyroscope experiment - Development of the prototype flight instrument
Abstract
The Gravity-Probe-B relativity gyroscope experiment (GP-B) will measure the geodetic and frame-dragging precession rates of gyroscopes in a 650 km high polar orbit about the earth. The goal is to measure these two effects, which are predicted by Einstein's General Theory of Relativity, to 0.01 percent (geodetic) and 1 percent (frame-dragging). This paper presents the development progress for full-size prototype flight hardware including the gyroscopes, gyro readout and magnetic shielding system, and an integrated ground test instrument.
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Turneaure, J. P., Everitt, C. W. F., Parkinson, B. W., Bardas, D., Breakwell, J. V.. 1989-01-01. The Gravity-Probe-B relativity gyroscope experiment - Development of the prototype flight instrument. https://ntrs.nasa.gov/citations/19900028350
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