Tootfinder

The #IntraclusterLight of Abell 3667 - Unveiling an Optical Bridge in LSST Precursor Data: https://iopscience.iop.org/article/10.3847/2041-8213/ade8f1 -> ‘Bridge’ of stray stars reveals active merger of two galaxy clusters: https://www.brown.edu/news/2025-08-05/galaxy-merger - in a preview of observations that will be made routinely by the Vera C. Rubin Observatory, astronomers found evidence indicating that a galaxy cluster is merging, a first for a nearby (astronomically speaking) cluster.