The Oldest Cosmic Web Strands Are Identified by Webb
The configuration of 10 distant galaxies is depicted in this deep galaxy field from Webb's NIRCam (Near-Infrared Camera) as eight white circles arranged in a diagonal, thread-like line. (Two of the circles have many galaxies in them.) This 3 million light-year-long filament is held in place by a quasar, a galaxy with an active...