Simulations have long suggested that gargantuan galaxies must have been receiving cold gas from dark matter filaments, but their origins, and details of the chemical composition of these infusions have hitherto been unknown to science. A group of scientists led by Hai Fu, an associate professor of astronomy at the University of Iowa, has discovered what they dubbed as “a pipeline” gas filament nourishing SMM J0913 - an enormous galaxy that came into being when the universe was 2.5 billion years old, about one fifth of its current age. As follows from a study, published in the Astrophysical Journal, the discovery ... (full story)