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Daedalus: Gravity waving to us

Jones, David (1998) Daedalus: Gravity waving to us. Nature, 393 (6680). p. 24. ISSN 0028-0836. http://resolver.caltech.edu/CaltechAUTHORS:20150610-101752135

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Abstract

Physicists are still exasperated by the elusiveness of gravitational waves. Laser interferometers and resonating metal bars have so far failed to detect them. Einstein showed that a gravitational field can be detected by its bending of light. A distant galaxy in the same line of sight as a nearer one can form an 'Einstein ring' image around it; the light is deviated in passing through the nearer galaxy's gravitational field. If an Einstein ring is ever found around an empty patch of sky, a clump of dark matter will have been discovered. Similarly, says Daedalus, the light from a distant star or galaxy should be deviated in phase with any gravitational waves through which that light passes. An observer would see the object apparently vibrating back-and-forth in the sky, in time with the gravitational waves.


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http://dx.doi.org/10.1038/29895 DOIArticle
http://www.nature.com/nature/journal/v393/n6680/full/393024a0.htmlPublisherArticle
Additional Information:© 1998 Macmillan Publishers Ltd.
Record Number:CaltechAUTHORS:20150610-101752135
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20150610-101752135
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:58150
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:10 Jun 2015 17:38
Last Modified:10 Jun 2015 17:38

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