Astronomers have discovered a 13-billion-year-old galactic cluster, the earliest ever seen, according to a publication on Friday, a find that may contain clues as to how the universe evolved.
At such an early stage, a cluster called a protocluster is "not easy to find," said in a press release Yuichi Harikane, a researcher at the National Astronomical Observatory of Japan, who leads the international team.
"The protocol is a rare and special system of extremely high density," Harikane said, adding that the researchers used the wide field of view of the Subaru telescope in Hawaii to "map a large area of the sky" in their search.
The discovery of the protocluster, a collection of 1
One of the 12 galaxies is known as Chemico, a giant gas cloud ass in 200 9 using the same telescope.
"It is reasonable to find a protocluster near a massive object such as Khimiko. However, we are surprised to see that Khimiko was … on the edge of 500 million light-years from the center, "says co-author of the newspaper Masami Ouchi.
"It is not yet clear why Chemico is not centrally located," he said.
"These results will be key to understanding the link between clusters and massive galaxies."
The team included scientists at Imperial College London and the study was published in the Friday Astrophysical Journal.  © 2019 AFP