COSMOS-Web introduces JWST’s newest gravitational lenses | by Ethan Siegel | Start with a bang! | October 2025
Press enter or click to view full size image The COSMOS-Web survey, the largest Cycle 1 JWST General Observer program, was proposed in 2021 (right) as a large-area survey overlapping the COSMOS field acquired with Hubble. The complete and complete COSMOS-Web field is shown on the left.. (Credit: COSMOS-Web Collaboration) By deep imaging a large…