A sweeping barred galaxy takes center stage in this Oct. 22, 2026, image, but the gravitational lensing at bottom right is the real target. This observation is one of many gravitational lensing images taken by NASA’s Hubble Space Telescope in preparation for science with the new Nancy Grace Roman Space Telescope.
Astronomers will use these images to analyze gravitational distortions to learn more about dark matter in the foreground galaxies and to lay the groundwork for future Roman observations. Images like this offer a glimpse of how Hubble and Roman will work together to build an even more comprehensive picture of the cosmos.
Image credit: NASA, ESA, and X. Huang (University of San Francisco); Processing: Gladys Kober (NASA/Catholic University of America)