The largest known galactic congregation is bigger than astronomers thought—and its inhabitants are all dead or dying
A gigantic galactic graveyard lurks in the distant universe, and the death toll is growing.
New observations establish a supercluster centered on the cluster CL0016+16 as the largest galactic congregation ever found, astronomers report in Astronomy & Astrophysics. The supercluster extends even farther than previously thought, and it’s drawing in more and more galaxies.
CL0016+16 lies about 6.7 billion light-years away from Earth. That cluster was first observed in 1981,