International Gemini Observatory/NOIRLab/NSF/AURA
HST imaging with NICMOS and ACS allowed the study of galaxy morphologies in the young cluster
HST imaging with NICMOS and ACS allowed the study of galaxy morphologies in the young cluster. It is plausible that several of the central galaxies will merge in less than one billion years, such that by redshift z = 0.5 this group will look like a typical bright galaxy cluster.
