, Volume 36, Issue 2, pp 293-301

Gravitomagnetic Measurement of the Angular Momentum of Celestial Bodies

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The asymmetry in the time delay for light rays propagating on opposite sides of a spinning body is analyzed. A frequency shift in the perceived signals is found. A practical procedure is proposed for evidencing the asymmetry, allowing for a measurement of the specific angular momentum of the rotating mass. Orders of magnitude are considered and discussed.