Astronomers recently discovered a group of interacting and merging galaxies in the early universe, as seen in this artist’s illustration. Credit: ESO/M. Kornmesser; Creative Commons Attribution 3.0 Unported (CC-BY)
A dense flock of 14 galaxies from 1.4 billion years after the Big Bang is destined to become one of the most massive structures in the modern universe. For the 1st time, astronomers have witnessed the birth of a colossal cluster of galaxies. Their observations reveal at least 14 galaxies packed into an area only 4 times the diameter of the Milky Way’s galactic disk. Computer simulations of the galaxies predict that over time the cluster will assemble into one of the most massive structures in the modern universe, the astronomers report in the April 26 issue of Nature.
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