Quasars may point to universe's biggest structure
Like cosmic lighthouses shining through fog on an astral beach, a clump of quasars lit the way to a supercluster of galaxies that could be the biggest structure of the early universe, astronomers
Like cosmic lighthouses shining through fog on an astral beach, a clump of quasars lit the way to a supercluster of galaxies that could be the biggest structure of the early universe, astronomers