This is called an Einstein Ring, named after scientist Albert Einstein, who predicted this effect in his Theory of Relativity ...
A new photo taken by the James Webb Space Telescope shows a rare cosmic phenomenon called an “Einstein ring.” Einstein rings happen due to a process called “gravitational lensing,” where light from ...
Astronomers have identified the closest ever Einstein ring, a rare phenomenon where light from a further-off galaxy is bent by the gravity of a galaxy closer to Earth. The ring was previously ...