Gravitational Lens and Quasar PG1115+080
Copyright: Christopher D. Impey (University of Arizona)
In this NICMOS image, the four quasar images and the lens
galaxy have been subtracted, revealing a nearly complete ring of infrared
light. This ring is the stretched and amplified starlight of the galaxy
that contains the quasar, some 8 billion light years away. (NASA/Space
Telescope Science Institute).
Last Update: 1 September 2019