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Giant galaxy graveyard grows

The largest known galactic congregation is bigger than astronomers thought—and its inhabitants are all dead or dying

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5:20pm, November 4, 2009

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,

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