Gravitational lensing
type: Concept
narrower: Strong gravitational lensing

Strong gravitational lensing
type: Concept
contributor: AAS Frey.Katie
broader: Gravitational lensing
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.
modified: 2020-11-19T16:23:10.708Z
modified: 2020-11-19T16:23:01.532Z