Gravitational Lensing Diagram
Release Date: April 25, 2018 10:00AM (EDT)
Release ID: 2018-23
Media Use: Copyright
About This Image
This diagram illustrates how rays of light from a distant galaxy or star can be bent by the gravity of an intervening galaxy cluster. As a result, an observer on Earth sees the distant object appear brighter than it would look if it weren't gravitationally lensed.