Einstein Ring Shines in Hubble Space Telescope Image

James Maynard
Sep 24 · 2 min read

An Einstein ring seen by Hubble offers a glimpse into an ancient era of peak star formation

The Molten Ring, GAL-CLUS-022058s, seen by Hubble. Image credit: Saurabh Jha/Rutgers/The State University of New Jersey

Just as light can be bent by a lens, light paths are similarly affected by massive gravitational fields. This effect bends and stretches light paths, similar to the way light would behave passing through the lens of a children’s telescope.