gravitational lens
From Wiktionary, the free dictionary
English
Pronunciation
Noun
gravitational lens (plural gravitational lenses)
- (astronomy) A distribution of matter whose gravitational field bends the path of light rays sufficiently to distort, magnify or multiply images of more distant objects.
- 1981, Ido Kansokujo, editor, Publications of the International Latitude Observatory of Mizusawa, Volumes 15-20, page 27:
- Thus the galactic gravitational lens effect is not important in maintaining the radio reference coordinate system with mas accuracy, if quasars as fiduciary points are pertinently selected.
- 1987, McGraw-Hill Encyclopedia of Science & Technology, Volume 8, McGraw-Hill, unnumbered page:
- The two other examples of gravitational lenses discussed above have not been modeled as elaborately.
- 1999 August, Guillermo A. Lemarchand, Karen J. Meech, editors, Bioastronomy '99: A New Era in Bioastronomy, Proceedings, Astronomical Society of the Pacific, page 575:
- Subsequent discoveries of several more examples of gravitational lenses eliminated all doubts about gravitational focussing predicted by general relativity.
Related terms
- gravitational lensing
- gravitational microlensing
Translations
astronomy: body whose gravitational field bends light rays
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See also
Further reading
Strong gravitational lensing on Wikipedia.Wikipedia - Weak gravitational lensing on Wikipedia.Wikipedia
- Gravitational lensing formalism on Wikipedia.Wikipedia
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