General relativity at 75 - How right was Einstein?

Details General relativity at 75 - How right was Einstein? General relativity at 75 - How right was Einstein?

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990sci...250..770w&link_type=abstract

Science (ISSN 0036-8075), vol. 250, Nov. 9, 1990, p. 770-776.

Physics

30

Field Theory (Physics), Gravitational Effects, Relativistic Theory, Relativity, Experiment Design, Gravitational Waves, Histories, Pulsars, Red Shift, Time Lag

Scientific paper

The status of experimental tests of general relativity is reviewed on the occasion of its 75th anniversary. Einstein's equivalence principle is well supported by experiments such as the Eo"!tvoes experiment, tests of special relativity, and the gravitational redshift experiment. Tests of general relativity have reached high precision, including the light deflection and the perihelion advance of Mercury, proposed by Einstein 75 years ago, and new tests such as the Shapiro time delay and the Nordtvedt effect in lunar motion. Gravitational wave damping has been detected to an accuracy of 1 percent on the basis of measurements of the binary pulsar. The status of the 'fifth force' is discussed, along with the frontiers of experimental relativity, including proposals for testing relativistic gravity with advanced technology and spacecraft.

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