Einstein Ring Spotted by Hubble

The video tutorial explains the phenomenon of Einstein rings, which are formed due to gravitational lensing. This occurs when a massive object, like a galaxy cluster, bends and magnifies the light from a more distant galaxy, creating a ring-like appearance. The tutorial highlights the significance of this effect in studying distant galaxies that would otherwise be too faint to observe. It also discusses the alignment required for such an effect and the role of the Hubble telescope in capturing these images, providing insights into the universe.

Describe the alignment of the background galaxy with the central elliptical galaxy.

What does the text suggest about the capabilities of Hubble's primary mirror?