A protocluster is defined as galaxies that are gradually approaching each other to form an enormous cluster.
According to the press statement, these galaxies would have already merged by now, resulting in the formation of one of the largest and oldest known galaxy clusters in the universe. The cluster is likely to be more than 100 times more massive as compared to theScientists highlight that these early stage development of galaxy clusters are rare to spot. Additionally, these seven galaxies may have been among the first formed galaxies in the universe's early years.
The findings revealed that each of these seven galaxies has the same redshift . The galaxy cluster is located in the constellation Sculptor, nearly 13 billion light-years from Earth. "We knew for a while from the Hubble data that there was an interesting over-density of galaxies. It came as a surprise when we first saw the spectra from JWST—all seven galaxies were aligned at the exact same redshift," said Takahiro Morishita, lead author of this study, in a
Such discoveries will be accelerated by the upcoming Nancy Grace Roman Space Telescope. This, in turn, could shed light on the evolution of the universe, the formation of galaxies, and even some of the most perplexing mysteries surrounding black holes.
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