The European Space Agency (ESA) has named this lens the Einstein ring. It is quite a rare phenomenon when there is another ... Such distortions, which create the Einstein ring effect, become possible ...

Credit: ESA Hiding amongst all those millions of galaxies are rare phenomena called gravitational lenses or “Einstein ... Einstein’s prediction that gravity warps spacetime, causing light ...

In this new effort, the research team has found, for the first time, two galaxies that align in a way that allows their gravity to work as a compound lens. A compound lens, as its name suggests ...