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A Gravitationally Lensed Quasar With Quadruple Images Separated By 14.62 Arcseconds
NATURE, no. 6968 (2003): 810-812
摘要
Gravitational lensing is a powerful tool for the study of the distribution of dark matter in the Universe. The cold-dark-matter model of the formation of large-scale structures ( that is, clusters of galaxies and even larger assemblies) predicts(1-6) the existence of quasars gravitationally lensed by concentrations of dark matter(7) so ma...更多
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