Concept information
Preferred term
Einstein rings
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. (en)
Broader concept
Narrower concepts
- Luminous arcs (en)
Entry terms
- Chwolson ring (en)
- Einstein-Chwolson ring (en)
Editorial note
URI
http://astrothesaurus.org/uat/451
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