Hubble captures  “Einstein ring” created by distant galaxies

This image might look like someone left a coffee mug on a photograph of some Christmas lights, but it actually illustrates a fundamental part of our understanding of physics.What you’re looking at is a picture filled with distant galaxies, and in the middle of the image is a particularly dense cluster of galaxies. So dense, in fact, the cluster is distorting spacetime and creating what’s known as an Einstein ring.

Click on the link to read the rest of the article: Hubble captures a sublime “Einstein ring” created by distant galaxies | Alphr