Reports

Magnetic Damping of Rotation of Satellite 1958β2

Science  25 Sep 1959:
Vol. 130, Issue 3378, pp. 791-793
DOI: 10.1126/science.130.3378.791

Abstract

From over 200 observations of the decreasing spin rate of Vanguard I made during the year since its launching, eddy-current induction theory yields 0.115 ± 0.001 gauss as the mean magnetic field normal to the spin axis of the satellite. This measured value agrees with that deduced from Bauer's model of the earth's dipole field.

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