Einstein rings
type: Concept
alternative label: Chwolson ring
alternative label: Einstein-Chwolson ring
definition: The apparent shape of a background source undergoing the effect of gravitational lensing as seen from Earth, provided that the source, the intervening lens, and the observer are in perfect alignment through Einstein radius.
modified: 2020-10-30T19:21:05.374Z
modified: 2020-10-30T19:21:17.094Z
broader: Gravitational lensing
narrower: Luminous arcs
contributor: AAS Frey.Katie

Gravitational lensing
type: Concept
narrower: Einstein rings

Luminous arcs
type: Concept
broader: Einstein rings