Einstein ring

== English == === Etymology === Named after Albert Einstein, whose theory of general relativity predicted gravitational lensing. === Noun === Einstein ring (plural Einstein rings) (astronomy) A ring-shaped gravitational mirage; an image of a distant light source, such as a galaxy, which has been distorted into a ring by a gravitational lens. ==== Related terms ==== ==== Translations ==== === Further reading === Einstein ring on Wikipedia.Wikipedia === Anagrams === niningerites