https://arxiv.org/abs/2211.09097
A spectroscopically confirmed protocluster 650 million years after the Big Bang, located behind Abell 2744 (Pandora's Cluster)

The highest redshift spectroscopically confirmed protocluster to date, demonstrating the power of #JWST to probe the universe at very early times.

#protocluster #galaxy #cluster #pandoracluster #jwst #webb #nasawebb #esawebb #unfoldtheuniverse #universe #cosmology #astronomy #astrophysics #space #deepsky #astroph #science #cosmos #astrodon