Test of General Relativity and Measurement of the Lense-Thirring Effect with Two Earth Satellites-Reference-Cited by-同舟云学术

Test of General Relativity and Measurement of the Lense-Thirring Effect with Two Earth Satellites

Published:1998-03-27 Issue:5359 Volume:279 Page:2100-2103
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Ciufolini Ignazio¹²³⁴,Pavlis Erricos¹²³⁴,Chieppa Federico¹²³⁴,Fernandes-Vieira Eduardo¹²³⁴,Pérez-Mercader Juan¹²³⁴

Affiliation:

1. I. Ciufolini, Istituto Fisica Spazio Interplanetario–Consiglio Nazionale delle Ricerche, and Dipartimento Aerospaziale, Universitá di Roma “La Sapienza,” via Eudossiana 16, 00184 Rome, Italy.

2. E. Pavlis, Joint Center for Earth System Technology, University of Maryland–Baltimore County, Baltimore, MD 21250, USA.

3. F. Chieppa, Scuola Ingegneria Aerospaziale, Universitá di Roma “La Sapienza,” Rome, Italy.

4. E. Fernandes-Vieira and J. Pérez-Mercader, Laboratorio de Astrofisica Espacial y Fisica Fundamental (INTA-CSIC), Madrid, Spain.

Abstract

The Lense-Thirring effect, a tiny perturbation of the orbit of a particle caused by the spin of the attracting body, was accurately measured with the use of the data of two laser-ranged satellites, LAGEOS and LAGEOS II, and the Earth gravitational model EGM-96. The parameter μ, which measures the strength of the Lense-Thirring effect, was found to be 1.1 ± 0.2; general relativity predicts μ ≡ 1. This result represents an accurate test and measurement of one of the fundamental predictions of general relativity, that the spin of a body changes the geometry of the universe by generating space-time curvature.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference30 articles.

1. C. W. Misner K. S. Thorne J. A. Wheeler Gravitation (Freeman San Francisco 1973).

2. I. Ciufolini and J. A. Wheeler Gravitation and Inertia (Princeton Univ. Press Princeton NJ 1995).

3. A direct observation of the Lense-Thirring effect using the LAGEOS and LAGEOS II satellites was obtained in 1995 [I. Ciufolini et al. Nuovo Cimento A 109 579 (1996)]. However the total observational period of this analysis was quite short and the perturbations model was less accurate than the one used in the measurement reported in (20). Because of the refined perturbations models and the longer period of observation the present work is the first accurate direct measurement of the Lense-Thirring effect using the LAGEOS satellites. An indirect astrophysical observation of frame-dragging was obtained in 1988 using the periastron precession rate of the binary pulsar PSR 1913+16 [

4. Nordtvedt K., Int. J. Theor. Phys. 27, 1395 (1988);

5. ]. Recent analyses of galactic sources of x-rays may represent another astrophysical observation of this effect in the accretion disks of black holes and neutron stars [

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