The seven galaxies spotlighted (on the right) in this Webb telescope image form a protocluster so far away, its light took about 13 billion years to reach us. Scientists predict it may grow into one of the largest, densest galaxy clusters known.

Webb's NIRSpec instrument was able to confirm the seven galaxies' distance and even measure their velocities...

https://go.nasa.gov/40HFu9W

Credit: #NASA, ESA, CSA, T. Morishita (IPAC), with image processing by A. Pagan (STScI)