Using Keck Observatory in Hawaii, a team of researchers from the University of Tokyo, Japan, has detected two new high-redshift protoclusters of galaxies. The finding was made as an outcome of follow-up investigations of three over-dense regions of galaxies designated D1RD01, D1GD02, and D4GD01, first detected by the Canada-France-Hawaii Telescope Legacy Survey (CFHTLS) Deep Fields program. The study backs the theory that the creation of a supercluster begins in the early universe, and that the central and background protoclusters at a redshift of about 3.7 show various galaxy arrangements. However, further multi-wavelength studies of more protoclusters are required to validate this.
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