Strong gravitational lensing

http://astrothesaurus.org/uat/1643

dcterms modified equal to or less than 2020-11-19T16:23:01.532Zequal to or more than 2020-11-19T16:23:01.532Z
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http://astrothesaurus.org/uat/670 original
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1643 original
definition A gravitational lensing phenomenon in which the image distortion is strong enough to be readily recognized, such as in the case of the Einstein cross or when giant luminous arcs show up in galaxy clusters (e.g. Abell 2218). Opposite to weak gravitational lensing.
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contributor AAS_Frey.Katie original